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Universidad Tecnológica de Torreón



                        Victo Hugo franco García



Procesos Industriales Área de Manufactura



                             Matricula: 1110167




Prof.: Lic. Gerardo Edgar Mata
Se ha llenado de cierto liquido los embases de 500 ml de refresco de cola, cuyas especificaciones
                 fueron de 44 ± 0.35mg de sodio que se le agrego a la producción arriba mencionada. Para ver si el
                 departamento de embotellado está trabajando bajo el estándar indicado de control de calidad se
                 tomaron 56 muestras de cada turno, cada 30 min con un periodo de 4 horas., obteniendo los
                 siguientes resultados:



                 Resultado general de las 896 muestras realizadas por ambos 2 trabajadores



43.83   43.68   43.82   43.88   43.86   43.88   43.81   43.92   43.83   44.28   44.12   44.21   44.29   44.15   44.02   43.96   44.05   44.13
43.77   43.95   43.91   43.81   43.86   43.91   43.91   43.86   43.89   44.08   44.17   44.16   44.09   44.20   44.12   44.17   44.10   44.31
43.87   43.77   43.88   43.90   43.85   43.85   43.79   43.80   43.77   44.17   44.32   44.27   44.17   44.24   44.29   44.18   44.17   43.97
43.93   43.81   43.81   43.88   43.77   43.85   43.84   43.89   43.88   44.18   44.11   44.16   44.14   44.23   44.17   44.06   44.09   44.13
43.93   43.90   43.94   43.92   43.87   43.86   43.83   43.88   43.91   44.02   44.12   44.12   44.07   44.24   44.16   44.16   44.20   44.09
43.96   43.88   43.73   43.67   43.86   43.83   43.95   43.90   43.79   44.13   44.07   44.21   44.21   44.14   44.08   44.04   44.11   44.22
43.71   43.91   43.89   43.88   43.90   43.91   43.76   43.79   43.87   44.10   44.15   44.09   44.07   44.30   44.16   44.24   44.09   43.98
43.83   43.89   43.84   43.95   43.80   43.82   43.79   43.89   43.89   44.28   44.14   44.23   44.29   44.22   44.22   44.27   44.12   44.14
43.92   43.76   43.85   43.74   43.89   44.00   43.84   43.96   43.91   44.17   44.06   44.23   44.23   44.29   44.23   44.06   44.22   43.97
43.78   43.78   43.81   43.85   43.86   43.90   43.78   43.87   43.84   44.19   44.17   44.29   44.39   44.18   44.07   44.05   44.08   44.21
43.80   43.90   43.81   43.94   43.86   43.89   43.76   43.82   43.87   44.10   44.31   44.17   44.20   44.31   44.24   44.13   44.02   44.12
43.74   43.87   43.91   43.96   43.91   43.79   43.71   43.87   43.82   43.96   44.31   44.21   44.31   44.08   44.30   44.18   44.23   44.04
43.73   43.79   43.90   43.87   43.97   43.91   43.89   43.97   43.88   44.16   44.23   44.27   44.23   44.28   44.24   44.16   44.15   44.05
43.79   43.83   43.88   43.86   43.76   43.95   43.83   43.69   43.95   44.26   44.20   44.31   44.20   44.27   44.15   44.21   44.25   44.26
43.80   43.86   43.90   43.97   43.77   43.80   43.88   43.85   43.84   44.07   44.16   44.25   44.09   44.26   43.92   44.20   44.09   44.07
43.71   43.89   43.96   43.85   43.89   43.83   43.71   43.84   43.78   44.16   44.23   44.19   44.05   44.37   43.89   44.30   44.07   44.14
43.81   43.86   43.87   43.81   43.93   43.76   43.93   43.92   43.79   44.01   44.09   44.17   44.12   44.14   44.24   44.11   44.01   44.13
43.82   43.79   43.89   43.91   43.79   43.94   43.72   43.93   43.90   44.14   44.34   44.12   44.16   44.13   44.11   44.22   44.19   44.10
43.86   43.97   43.97   43.85   43.71   43.92   43.82   43.96   43.96   44.15   44.29   44.02   44.17   44.25   44.22   44.08   44.04   44.08
43.83   43.88   43.83   43.92   43.79   43.86   43.79   43.73   43.81   44.11   44.17   44.18   44.22   44.21   44.16   44.16   44.17   44.19
43.83   43.85   43.92   43.88   43.86   43.71   43.84   43.90   43.80   44.31   44.13   44.19   44.10   44.23   44.00   44.20   43.90   44.10
43.83   43.90   43.86   43.95   43.88   43.88   43.86   43.87   43.92   44.18   44.08   44.14   44.28   44.08   44.25   44.26   44.13   44.08
43.94   43.91   43.93   43.84   43.78   43.88   43.96   43.90   43.86   44.22   44.10   43.98   44.14   44.15   44.21   44.32   44.32   43.94
43.84   43.81   43.84   43.79   43.79   43.93   43.82   43.88   43.88   44.06   44.12   44.26   44.08   44.33   44.24   44.20   44.03   44.19
43.84   43.79   43.80   43.75   43.88   43.79   43.80   43.84   44.02   44.17   44.28   44.16   44.15   44.27   44.31   44.26   44.40   44.36
43.82   43.92   43.92   43.68   43.86   43.93   43.80   43.96   43.81   44.27   44.18   44.01   44.09   44.14   44.23   44.11   44.09   44.38
43.98   43.77   43.81   43.86   43.81   43.81   43.89   43.88   43.80   44.13   44.35   44.17   44.22   44.17   44.02   44.35   44.24   44.03
43.91   43.75   43.89   43.87   43.86   43.80   43.93   43.85   43.93   44.18   44.06   44.16   44.22   44.06   44.22   44.15   44.17   44.19
44.01   43.90   43.89   43.85   43.79   43.74   43.76   43.85   43.83   44.06   44.27   44.27   44.26   44.09   44.16   44.16   44.07   44.09
43.81   43.89   43.83   43.86   43.79   43.94   43.91   43.85   43.76   44.09   44.27   44.22   44.32   44.22   44.12   44.27   44.02   44.32
43.96   44.00   43.82   43.87   43.92   43.79   43.95   43.74   43.92   44.13   44.09   44.09   44.18   44.15   44.10   44.05   44.23   44.28
43.74   43.95   43.76   43.95   43.96   43.95   43.81   43.88   43.76   44.18   44.17   44.28   44.25   44.13   44.33   44.13   44.19   44.13
43.89   43.94   43.98   43.86   43.81   43.77   43.86   43.86   43.82   44.29   44.20   44.04   44.19   44.06   44.25   44.30   44.10   44.08
43.91   43.86   43.81   43.78   43.84   43.82   43.80   43.89   43.76   44.11   44.20   44.11   44.04   44.23   44.25   44.13   44.14   44.28
43.98   43.85   43.86   43.76   43.86   43.76   43.90   43.84   43.78   44.14   44.22   44.12   44.24   44.06   44.19   44.18   44.17   44.17
43.84   43.88   43.83   43.86   43.97   43.95   43.87   43.90   43.89   44.16   44.20   44.24   44.26   44.05   44.00   44.27   44.20   44.28
43.82   43.85   44.04   43.91   43.89   43.85   43.85   43.94   43.86   44.14   44.30   44.30   44.26   44.26   44.20   44.22   44.21   44.25
43.89   43.78   43.93   43.75   43.96   43.87   43.78   43.98   43.73   44.19   43.95   44.05   44.19   44.17   44.08   44.19   44.30   44.27
43.82   43.73   43.91   43.81   43.86   43.91   43.83   43.76   43.98   44.25   44.09   44.01   44.12   44.31   44.08   44.10   44.11   44.12
43.90   43.90   43.94   43.88   43.95   43.98   43.90   43.89   43.87   44.13   44.12   44.11   44.13   44.04   44.15   44.12   44.05   44.15
43.75   43.88   43.86   43.84   43.81   43.85   43.85   43.84   43.94   44.14   44.02   44.03   44.04   44.22   44.26   44.19   44.15   44.24
43.79   43.89   43.89   43.83   43.79   43.78   43.92   43.80   43.85   44.22   44.03   44.14   44.20   44.14   44.07   44.11   44.22   44.26
43.75   43.86   43.83   43.84   43.93   43.81   43.78   43.90   43.83   44.20   44.35   44.19   44.24   44.14   44.16   44.31   43.99   44.17
43.83   43.78   43.77   43.82   43.91   43.91   43.90   44.00   43.85   44.25   44.14   44.19   44.31   44.25   44.00   44.16   44.13   44.21
43.85   43.93   43.93   43.80   43.74   43.91   43.93   43.94   43.73   44.22   44.12   44.18   44.00   44.16   44.06   44.34   44.14   44.14
43.85   43.83   43.83   43.89   43.93   43.88   43.77   43.86   43.80   44.22   44.04   44.15   44.21   44.20   44.19   44.17   44.08   44.13
43.83   43.79   43.76   43.85   43.84   43.75   43.88   43.82   43.94   44.13   44.34   44.18   44.18   44.13   44.19   44.15   43.98   44.09
43.99   43.80   43.90   43.93   43.78   43.76   43.73   43.83   43.86   44.10   44.19   44.19   44.19   44.14   44.07   44.14   44.14   44.15
        43.82   43.90   43.87   43.73   43.84   43.86   43.78   43.82   44.03   44.12   44.39   44.11   44.09   44.22   44.24   44.21
        43.82   43.88   43.85   43.80   43.81   43.92   43.85   43.81   44.13   44.19   44.10   44.16   44.11   44.23   44.32   44.16
Resultados de 448 muestras tomadas del trabajador “Alan”

43.83    43.68   43.82   43.877   43.86   43.88   43.81   43.92   43.833   43.75   43.864   43.8335   43.84   43.93   43.81   43.78
43.77   43.946   43.91   43.807   43.86   43.91   43.91   43.86   43.892   43.83   43.782   43.7694   43.82   43.91   43.91    43.9
43.87   43.766   43.88   43.898   43.85   43.85   43.79    43.8   43.766   43.85   43.932   43.9336    43.8   43.74   43.91   43.93
43.93   43.807   43.81   43.885   43.77   43.85   43.84   43.89   43.884   43.85   43.829   43.8309   43.89   43.93   43.88   43.77
43.93     43.9   43.94   43.921   43.87   43.86   43.83   43.88   43.914   43.83   43.795   43.7638   43.85   43.84   43.75   43.88
43.96   43.881   43.73   43.667   43.86   43.83   43.95    43.9   43.793   43.99   43.796   43.9004   43.93   43.78   43.76   43.73
43.71   43.908   43.89   43.881    43.9   43.91   43.76   43.79   43.875   43.82   43.848    44.037   43.91   43.89   43.85   43.85
43.83   43.889   43.84   43.947    43.8   43.82   43.79   43.89   43.885   43.89    43.78   43.9326   43.75   43.96   43.87   43.78
43.92   43.759   43.85   43.736   43.89      44   43.84   43.96   43.914   43.82   43.733   43.9081   43.81   43.86   43.91   43.83
43.78   43.776   43.81   43.853   43.86    43.9   43.78   43.87   43.835    43.9   43.905   43.9379   43.88   43.95   43.98    43.9
 43.8   43.896   43.81   43.939   43.86   43.89   43.76   43.82   43.865   43.75   43.879   43.8624   43.84   43.81   43.85   43.85
43.74   43.871   43.91   43.961   43.91   43.79   43.71   43.87   43.822   43.79   43.891   43.8858   43.83   43.79   43.78   43.92
43.73   43.788    43.9   43.866   43.97   43.91   43.89   43.97   43.884   43.74   43.945   43.7598   43.95   43.96   43.95   43.81
43.79   43.834   43.88    43.86   43.76   43.95   43.83   43.69   43.954   43.89   43.936   43.9815   43.86   43.81   43.77   43.86
 43.8   43.859    43.9   43.972   43.77    43.8   43.88   43.85    43.84   43.91   43.857   43.8126   43.78   43.84   43.82    43.8
43.71   43.887   43.96   43.847   43.89   43.83   43.71   43.84   43.782   43.98    43.85   43.8557   43.76   43.86   43.76    43.9
43.81   43.859   43.87   43.807   43.93   43.76   43.93   43.92   43.789   43.84    43.88   43.8345   43.86   43.97   43.95   43.87
43.82    43.79   43.89    43.91   43.79   43.94   43.72   43.93   43.898   43.88   43.924   43.7635   43.98   43.94   43.73   43.81
43.86   43.974   43.97   43.849   43.71   43.92   43.82   43.96   43.955   43.86   43.765   43.8909   43.87   43.86    43.8    43.8
43.83   43.882   43.83   43.919   43.79   43.86   43.79   43.73   43.808   43.89   43.824     43.84   43.94   43.82   43.94   43.93
43.83   43.855   43.92   43.879   43.86   43.71   43.84    43.9   43.795   43.84   43.755     43.80   43.85   43.83   43.86   43.83
43.83   43.905   43.86   43.946   43.88   43.88   43.86   43.87   43.918    43.9   43.778     43.90   43.83   43.78   43.82   43.76
43.94   43.907   43.93   43.842   43.78   43.88   43.96    43.9   43.865   43.94    43.89     44.00   43.85   43.86   43.81   43.88
43.84   43.808   43.84   43.787   43.79   43.93   43.82   43.88    43.88   43.98   43.858   43.8016   43.74   43.79   43.93   43.85
43.84   43.789    43.8   43.748   43.88   43.79    43.8   43.84   44.022   43.83   43.735   43.7362   43.95   43.79   43.76   43.85
43.82   43.923   43.92   43.681   43.86   43.93    43.8   43.96   43.863   43.82   43.867   43.9407   43.92   43.79   43.91   43.85
43.98   43.771   43.81   43.857   43.81   43.81   43.89   43.81   43.892   43.96   43.996   44.0068    43.9   43.89   43.85   43.87
43.91   43.747   43.89   43.822    43.9   43.87   43.73   43.84   43.855   43.82   43.878   43.8538    43.8   43.81   43.92   43.85
Resultados de 448 muestras tomadas del trabajador “Juan”

1.382   1.4559   1.432   1.386   1.438   1.304   1.421   1.48   1.475   1.474   1.41   1.446   1.38   1.38
1.456    1.357   1.518   1.343   1.433   1.424   1.413   1.53   1.434   1.473    1.4   1.333   1.45   1.46
1.394   1.3973   1.512    1.37   1.459   1.391   1.404   1.41    1.29   1.275   1.41   1.456   1.52    1.4
1.504   1.4527   1.418   1.428    1.46   1.397   1.589   1.43   1.466   1.449   1.49   1.457   1.41   1.35
 1.53   1.3433   1.444    1.38   1.357   1.466   1.476    1.4   1.353   1.544   1.43   1.472   1.45   1.37
1.472    1.343    1.41   1.287   1.444   1.541   1.485   1.39   1.396   1.495   1.29   1.382   1.36    1.4
1.262   1.2856   1.232   1.446    1.39   1.436   1.499    1.3   1.405    1.49   1.42   1.505   1.44   1.44
1.413   1.3608   1.443   1.437    1.45   1.422   1.423   1.45   1.446    1.33   1.39   1.506   1.41   1.52
1.311    1.332   1.423   1.458    1.35   1.526   1.525   1.33   1.397    1.42   1.37   1.402   1.44   1.48
1.428   1.4664    1.29   1.516   1.405   1.458    1.55   1.29   1.474   1.494   1.37   1.367   1.51   1.48
1.405   1.4006     1.3     1.5   1.377   1.537   1.419   1.46    1.48   1.394   1.47   1.501    1.4   1.45
1.478   1.3863   1.439   1.316   1.473   1.548   1.289   1.47   1.404   1.538   1.56   1.444    1.5   1.39
1.383   1.4707   1.486   1.392   1.465   1.499   1.435   1.43   1.469   1.576   1.39   1.569   1.39   1.43
1.423   1.4934   1.491   1.369    1.53   1.353   1.408   1.48   1.335   1.421   1.47   1.438   1.44   1.37
1.359   1.4099   1.296   1.299   1.555   1.363    1.49   1.41   1.465   1.396   1.35   1.449   1.35   1.41
1.338   1.3366   1.392    1.48   1.446   1.502   1.504   1.44   1.456   1.373    1.4    1.43   1.43    1.4
1.396    1.373   1.367   1.409   1.358   1.469   1.448    1.5   1.445   1.402   1.36   1.386   1.47   1.33
1.444   1.4279   1.383   1.333   1.415   1.449   1.475   1.49   1.418   1.501   1.42    1.39   1.41   1.39
1.326   1.4723   1.407   1.415   1.479   1.381   1.385   1.31   1.497   1.345   1.49   1.473   1.48   1.32
1.414   1.4936   1.394   1.398   1.394   1.399   1.451   1.49   1.315   1.452   1.36   1.443    1.4    1.5
1.292   1.4272   1.262    1.49   1.384   1.441   1.381   1.35   1.437   1.377   1.45   1.348   1.44    1.4
 1.31   1.4249   1.318   1.533   1.391   1.419   1.386   1.37    1.47   1.489   1.46   1.483   1.55   1.41
1.493   1.4022   1.378   1.413    1.51   1.365   1.326   1.36   1.296   1.471   1.48   1.486   1.47   1.41
1.356   1.4901   1.426   1.506   1.482    1.37   1.378   1.43   1.381   1.417   1.33   1.347   1.54   1.46
1.446   1.3559   1.438   1.489   1.548    1.41   1.415   1.41   1.439   1.339   1.46   1.432   1.43   1.34
1.453   1.3502   1.293   1.393   1.381   1.317   1.371   1.49    1.32   1.406   1.35    1.44   1.46   1.45
1.412   1.4728   1.488    1.28   1.345   1.494   1.431   1.44   1.299   1.439   1.49    1.53   1.38   1.41
1.404   1.3502    1.45   1.301   1.342    1.48   1.292   1.36   1.429   1.296   1.42   1.316   1.49   1.41
1.395   1.3456   1.394   1.396   1.196   1.442   1.484   1.45    1.45   1.435   1.34    1.47   1.42   1.35
1.449   1.4751   1.441   1.365   1.506   1.546   1.504   1.37   1.396   1.431   1.25    1.47   1.36   1.45
1.581   1.4285   1.451   1.482   1.347   1.439   1.466   1.43   1.469   1.541   1.47   1.499   1.33   1.36
1.484   1.3834   1.525    1.39   1.495    1.53   1.419   1.36   1.452   1.456   1.43   1.401   1.48   1.41
1.519   1.3333   1.434   1.314   1.538   1.485   1.382   1.48   1.407   1.401   1.42   1.463   1.37   1.45
 1.35   1.4034   1.475   1.461    1.42   1.246   1.346   1.43   1.391   1.541   1.45    1.43   1.53   1.53
1.395   1.3378   1.486   1.419   1.401   1.334   1.503   1.43   1.498    1.35   1.22   1.344   1.48   1.57


Solución en las siguientes paginas
Para resolver el problema, primero vamos a elaborar una tabla de frecuencias con su respectivo
                 histograma tomando en conjunto la seria de muestras tomadas por ambos trabajadores.

                 Resultado general de las 896 muestras realizadas por ambos trabajadores



43.83   43.68   43.82   43.88   43.86   43.88   43.81   43.92   43.83   44.28   44.12   44.21   44.29   44.15   44.02   43.96   44.05   44.13
43.77   43.95   43.91   43.81   43.86   43.91   43.91   43.86   43.89   44.08   44.17   44.16   44.09   44.20   44.12   44.17   44.10   44.31
43.87   43.77   43.88   43.90   43.85   43.85   43.79   43.80   43.77   44.17   44.32   44.27   44.17   44.24   44.29   44.18   44.17   43.97
43.93   43.81   43.81   43.88   43.77   43.85   43.84   43.89   43.88   44.18   44.11   44.16   44.14   44.23   44.17   44.06   44.09   44.13
43.93   43.90   43.94   43.92   43.87   43.86   43.83   43.88   43.91   44.02   44.12   44.12   44.07   44.24   44.16   44.16   44.20   44.09
43.96   43.88   43.73   43.67   43.86   43.83   43.95   43.90   43.79   44.13   44.07   44.21   44.21   44.14   44.08   44.04   44.11   44.22
43.71   43.91   43.89   43.88   43.90   43.91   43.76   43.79   43.87   44.10   44.15   44.09   44.07   44.30   44.16   44.24   44.09   43.98
43.83   43.89   43.84   43.95   43.80   43.82   43.79   43.89   43.89   44.28   44.14   44.23   44.29   44.22   44.22   44.27   44.12   44.14
43.92   43.76   43.85   43.74   43.89   44.00   43.84   43.96   43.91   44.17   44.06   44.23   44.23   44.29   44.23   44.06   44.22   43.97
43.78   43.78   43.81   43.85   43.86   43.90   43.78   43.87   43.84   44.19   44.17   44.29   44.39   44.18   44.07   44.05   44.08   44.21
43.80   43.90   43.81   43.94   43.86   43.89   43.76   43.82   43.87   44.10   44.31   44.17   44.20   44.31   44.24   44.13   44.02   44.12
43.74   43.87   43.91   43.96   43.91   43.79   43.71   43.87   43.82   43.96   44.31   44.21   44.31   44.08   44.30   44.18   44.23   44.04
43.73   43.79   43.90   43.87   43.97   43.91   43.89   43.97   43.88   44.16   44.23   44.27   44.23   44.28   44.24   44.16   44.15   44.05
43.79   43.83   43.88   43.86   43.76   43.95   43.83   43.69   43.95   44.26   44.20   44.31   44.20   44.27   44.15   44.21   44.25   44.26
43.80   43.86   43.90   43.97   43.77   43.80   43.88   43.85   43.84   44.07   44.16   44.25   44.09   44.26   43.92   44.20   44.09   44.07
43.71   43.89   43.96   43.85   43.89   43.83   43.71   43.84   43.78   44.16   44.23   44.19   44.05   44.37   43.89   44.30   44.07   44.14
43.81   43.86   43.87   43.81   43.93   43.76   43.93   43.92   43.79   44.01   44.09   44.17   44.12   44.14   44.24   44.11   44.01   44.13
43.82   43.79   43.89   43.91   43.79   43.94   43.72   43.93   43.90   44.14   44.34   44.12   44.16   44.13   44.11   44.22   44.19   44.10
43.86   43.97   43.97   43.85   43.71   43.92   43.82   43.96   43.96   44.15   44.29   44.02   44.17   44.25   44.22   44.08   44.04   44.08
43.83   43.88   43.83   43.92   43.79   43.86   43.79   43.73   43.81   44.11   44.17   44.18   44.22   44.21   44.16   44.16   44.17   44.19
43.83   43.85   43.92   43.88   43.86   43.71   43.84   43.90   43.80   44.31   44.13   44.19   44.10   44.23   44.00   44.20   43.90   44.10
43.83   43.90   43.86   43.95   43.88   43.88   43.86   43.87   43.92   44.18   44.08   44.14   44.28   44.08   44.25   44.26   44.13   44.08
43.94   43.91   43.93   43.84   43.78   43.88   43.96   43.90   43.86   44.22   44.10   43.98   44.14   44.15   44.21   44.32   44.32   43.94
43.84   43.81   43.84   43.79   43.79   43.93   43.82   43.88   43.88   44.06   44.12   44.26   44.08   44.33   44.24   44.20   44.03   44.19
43.84   43.79   43.80   43.75   43.88   43.79   43.80   43.84   44.02   44.17   44.28   44.16   44.15   44.27   44.31   44.26   44.40   44.36
43.82   43.92   43.92   43.68   43.86   43.93   43.80   43.96   43.81   44.27   44.18   44.01   44.09   44.14   44.23   44.11   44.09   44.38
43.98   43.77   43.81   43.86   43.81   43.81   43.89   43.88   43.80   44.13   44.35   44.17   44.22   44.17   44.02   44.35   44.24   44.03
43.91   43.75   43.89   43.87   43.86   43.80   43.93   43.85   43.93   44.18   44.06   44.16   44.22   44.06   44.22   44.15   44.17   44.19
44.01   43.90   43.89   43.85   43.79   43.74   43.76   43.85   43.83   44.06   44.27   44.27   44.26   44.09   44.16   44.16   44.07   44.09
43.81   43.89   43.83   43.86   43.79   43.94   43.91   43.85   43.76   44.09   44.27   44.22   44.32   44.22   44.12   44.27   44.02   44.32
43.96   44.00   43.82   43.87   43.92   43.79   43.95   43.74   43.92   44.13   44.09   44.09   44.18   44.15   44.10   44.05   44.23   44.28
43.74   43.95   43.76   43.95   43.96   43.95   43.81   43.88   43.76   44.18   44.17   44.28   44.25   44.13   44.33   44.13   44.19   44.13
43.89   43.94   43.98   43.86   43.81   43.77   43.86   43.86   43.82   44.29   44.20   44.04   44.19   44.06   44.25   44.30   44.10   44.08
43.91   43.86   43.81   43.78   43.84   43.82   43.80   43.89   43.76   44.11   44.20   44.11   44.04   44.23   44.25   44.13   44.14   44.28
43.98       43.85   43.86    43.76   43.86   43.76   43.90    43.84    43.78   44.14   44.22     44.12   44.24   44.06   44.19    44.18   44.17       44.17
  43.84       43.88   43.83    43.86   43.97   43.95   43.87    43.90    43.89   44.16   44.20     44.24   44.26   44.05   44.00    44.27   44.20       44.28
  43.82       43.85   44.04    43.91   43.89   43.85   43.85    43.94    43.86   44.14   44.30     44.30   44.26   44.26   44.20    44.22   44.21       44.25
  43.89       43.78   43.93    43.75   43.96   43.87   43.78    43.98    43.73   44.19   43.95     44.05   44.19   44.17   44.08    44.19   44.30       44.27
  43.82       43.73   43.91    43.81   43.86   43.91   43.83    43.76    43.98   44.25   44.09     44.01   44.12   44.31   44.08    44.10   44.11       44.12
  43.90       43.90   43.94    43.88   43.95   43.98   43.90    43.89    43.87   44.13   44.12     44.11   44.13   44.04   44.15    44.12   44.05       44.15
  43.75       43.88   43.86    43.84   43.81   43.85   43.85    43.84    43.94   44.14   44.02     44.03   44.04   44.22   44.26    44.19   44.15       44.24
  43.79       43.89   43.89    43.83   43.79   43.78   43.92    43.80    43.85   44.22   44.03     44.14   44.20   44.14   44.07    44.11   44.22       44.26
  43.75       43.86   43.83    43.84   43.93   43.81   43.78    43.90    43.83   44.20   44.35     44.19   44.24   44.14   44.16    44.31   43.99       44.17
  43.83       43.78   43.77    43.82   43.91   43.91   43.90    44.00    43.85   44.25   44.14     44.19   44.31   44.25   44.00    44.16   44.13       44.21
  43.85       43.93   43.93    43.80   43.74   43.91   43.93    43.94    43.73   44.22   44.12     44.18   44.00   44.16   44.06    44.34   44.14       44.14
  43.85       43.83   43.83    43.89   43.93   43.88   43.77    43.86    43.80   44.22   44.04     44.15   44.21   44.20   44.19    44.17   44.08       44.13
  43.83       43.79   43.76    43.85   43.84   43.75   43.88    43.82    43.94   44.13   44.34     44.18   44.18   44.13   44.19    44.15   43.98       44.09
  43.99       43.80   43.90    43.93   43.78   43.76   43.73    43.83    43.86   44.10   44.19     44.19   44.19   44.14   44.07    44.14   44.14       44.15
              43.82   43.90    43.87   43.73   43.84   43.86    43.78    43.82   44.03   44.12     44.39   44.11   44.09   44.22    44.24   44.21
              43.82   43.88    43.85   43.80   43.81   43.92    43.85    43.81   44.13   44.19     44.10   44.16   44.11   44.23    44.32   44.16




                          Se agrupan en 9 intervalos y se obtiene la siguiente tabla de distribución de frecuencias:

  Intervalos aparentes           Marcas de clase                                                            Medidas de tendencia central y dispersión

Límite inf.      Límite sup.           Xi         fi      fai           fri               frai                 (fi)(xi)       (|xi-~x|)(fi)     (xi-~x)2(fi)
 43.66722             43.748       43.7075       26       26       0.02902               0.02902            1136.39413         7.8658415       2.379672
  43.7487             43.829       43.7890       134     160       0.14955               0.17857             5867.7215        29.6183371       6.546611
  43.8302             43.911       43.8705       200     360       0.22321               0.40179             8774.0933        27.9064732       3.893856
  43.9117             43.992       43.9520       93      453       0.10379               0.50558              4087.533         5.3970100       0.313201
  43.9932             44.074       44.0335       64      517       0.07143               0.57701            2818.14185         1.5019286       0.035247
  44.0747             44.155       44.1150       134     651       0.14955               0.72656             5911.4055        14.0656629       1.476439
  44.1562             44.237       44.1965       146     797       0.16295               0.88951             6452.6841        27.2242746       5.076446
  44.2377             44.318       44.2780       81      878       0.09040               0.97991              3586.52         21.7053783       5.816339
  44.319              44.400       44.3595       18      896       0.02009               1.00000             798.47040         6.290417        2.198297
                                                 896                    1                                    39432.959        141.575324       27.736109
                                                                                 Media Aritmética ~x                         44.00999881
                                                                                  Desviación Media                            0.15800817
                                                                                    Varianza = S2                             0.03095548
                                                                                 Desviación Estándar
                                                                                        = √S                                  0.17594169
Mediante esta tabla podemos observar lo siguiente:


    1. Mediante un histograma general elaborado por ambos trabajadores, podemos determinar
       si surge un error, determinar de dónde proviene., y Como mejorarlo para que ambos
       turnos trabajen al mismo ritmo.
    2. Mediante la tabla de frecuencias, podemos observar que las frecuencias no están
       distribuidas en forma normal, están distribuidas en forma Bimodal la cual suele
       presentarse cuando un conjunto de valores son obtenidos por la mezcla de 2 muestras
       como en este caso, que se tomo en conjunto las muestras de los 2 trabajadores.
    3. El USL esperado no está dentro de los limites de especiación que fueron establecidos por
       la empresa, mientras que el LSL, si esta dentro del rango de tolerancia.

Es recomendable, revisar el histograma para su posterior interpretación:
  250
                      LSL                         TV                      USL

  200



  150



  100



    50



     0
    43.4000        43.6000       43.8000        44.0000       44.2000        44.4000       44.6000


Las observaciones que se isieron a partir de la tabla de distribución, se pueden visualizar mejor en
el histograma: se observa que los datos están distribuidos en forma Bimodal y que algunos
valores están fuera de los límites de especificación.

Para resolver el problema, primero vamos a elaborar una tabla de frecuencias con su respectivo
histograma por cada trabajador.
Resultados de 448 muestras tomadas del trabajador “Alan”

43.83    43.68   43.82   43.877   43.86   43.88   43.81   43.92   43.833   43.75   43.864   43.8335   43.84   43.93   43.81   43.78
43.77   43.946   43.91   43.807   43.86   43.91   43.91   43.86   43.892   43.83   43.782   43.7694   43.82   43.91   43.91    43.9
43.87   43.766   43.88   43.898   43.85   43.85   43.79    43.8   43.766   43.85   43.932   43.9336    43.8   43.74   43.91   43.93
43.93   43.807   43.81   43.885   43.77   43.85   43.84   43.89   43.884   43.85   43.829   43.8309   43.89   43.93   43.88   43.77
43.93     43.9   43.94   43.921   43.87   43.86   43.83   43.88   43.914   43.83   43.795   43.7638   43.85   43.84   43.75   43.88
43.96   43.881   43.73   43.667   43.86   43.83   43.95    43.9   43.793   43.99   43.796   43.9004   43.93   43.78   43.76   43.73
43.71   43.908   43.89   43.881    43.9   43.91   43.76   43.79   43.875   43.82   43.848    44.037   43.91   43.89   43.85   43.85
43.83   43.889   43.84   43.947    43.8   43.82   43.79   43.89   43.885   43.89    43.78   43.9326   43.75   43.96   43.87   43.78
43.92   43.759   43.85   43.736   43.89      44   43.84   43.96   43.914   43.82   43.733   43.9081   43.81   43.86   43.91   43.83
43.78   43.776   43.81   43.853   43.86    43.9   43.78   43.87   43.835    43.9   43.905   43.9379   43.88   43.95   43.98    43.9
 43.8   43.896   43.81   43.939   43.86   43.89   43.76   43.82   43.865   43.75   43.879   43.8624   43.84   43.81   43.85   43.85
43.74   43.871   43.91   43.961   43.91   43.79   43.71   43.87   43.822   43.79   43.891   43.8858   43.83   43.79   43.78   43.92
43.73   43.788    43.9   43.866   43.97   43.91   43.89   43.97   43.884   43.74   43.945   43.7598   43.95   43.96   43.95   43.81
43.79   43.834   43.88    43.86   43.76   43.95   43.83   43.69   43.954   43.89   43.936   43.9815   43.86   43.81   43.77   43.86
 43.8   43.859    43.9   43.972   43.77    43.8   43.88   43.85    43.84   43.91   43.857   43.8126   43.78   43.84   43.82    43.8
43.71   43.887   43.96   43.847   43.89   43.83   43.71   43.84   43.782   43.98    43.85   43.8557   43.76   43.86   43.76    43.9
43.81   43.859   43.87   43.807   43.93   43.76   43.93   43.92   43.789   43.84    43.88   43.8345   43.86   43.97   43.95   43.87
43.82    43.79   43.89    43.91   43.79   43.94   43.72   43.93   43.898   43.88   43.924   43.7635   43.98   43.94   43.73   43.81
43.86   43.974   43.97   43.849   43.71   43.92   43.82   43.96   43.955   43.86   43.765   43.8909   43.87   43.86    43.8    43.8
43.83   43.882   43.83   43.919   43.79   43.86   43.79   43.73   43.808   43.89   43.824     43.84   43.94   43.82   43.94   43.93
43.83   43.855   43.92   43.879   43.86   43.71   43.84    43.9   43.795   43.84   43.755     43.80   43.85   43.83   43.86   43.83
43.83   43.905   43.86   43.946   43.88   43.88   43.86   43.87   43.918    43.9   43.778     43.90   43.83   43.78   43.82   43.76
43.94   43.907   43.93   43.842   43.78   43.88   43.96    43.9   43.865   43.94    43.89     44.00   43.85   43.86   43.81   43.88
43.84   43.808   43.84   43.787   43.79   43.93   43.82   43.88    43.88   43.98   43.858   43.8016   43.74   43.79   43.93   43.85
43.84   43.789    43.8   43.748   43.88   43.79    43.8   43.84   44.022   43.83   43.735   43.7362   43.95   43.79   43.76   43.85
43.82   43.923   43.92   43.681   43.86   43.93    43.8   43.96   43.863   43.82   43.867   43.9407   43.92   43.79   43.91   43.85
43.98   43.771   43.81   43.857   43.81   43.81   43.89   43.81   43.892   43.96   43.996   44.0068    43.9   43.89   43.85   43.87
43.91   43.747   43.89   43.822    43.9   43.87   43.73   43.84   43.855   43.82   43.878   43.8538    43.8   43.81   43.92   43.85
Se agrupan en 9 intervalos y se obtiene la siguiente tabla de distribución de frecuencias:

  Intervalos aparentes      Marcas de clase                                                     Medidas de tendencia central y dispersión

Límite inf.   Límite sup.        Xi         fi     fai        fri               frai               (fi)(xi)       (|xi-~x|)(fi)     (xi-~x)2(fi)
 43.66722        43.707       43.6873       7       7      0.01563            0.01563            305.81122         1.1677625       0.194810
  43.7084        43.749       43.7285      20      27      0.04464            0.06027             874.5703         2.5124643       0.315624
  43.7496        43.790       43.7697      56      83      0.12500            0.18527            2451.1041         4.7277000       0.399128
  43.7908        43.831       43.8109      82     165      0.18304            0.36830             3592.495         3.5443036       0.153196
  43.8320        43.872       43.8521      102    267      0.22768            0.59598            4472.9159         0.2063679       0.000418
  43.8732        43.913       43.8933      93     360      0.20759            0.80357            4082.0784         3.6434411       0.142738
  43.9144        43.955       43.9345      58     418      0.12946            0.93304            2548.2020         4.6618536       0.374705
  43.9556        43.996       43.9757      25     443      0.05580            0.98884             1099.39          3.0394196       0.369523
  43.997         44.037       44.0169       5     448      0.01116            1.00000            220.08458         0.813884        0.132481
                                           448                1                                  19646.655         24.317196       2.082622
                                                                       Media Aritmética ~x                       43.85413966
                                                                        Desviación Media                          0.05427946
                                                                          Varianza = S2                           0.00464871
                                                                       Desviación Estándar
                                                                              = √S                                0.06818146




                   Mediante esta tabla podemos observar lo siguiente:

                   Una vez que tenemos los datos, es imposible determinar una posible conclusión, es
                   recomendable que se ordenen los valores en una tabla de distribución de
                   frecuencias.
                   Se observan que los valores obtenidos por el primer trabajador, están distribuidos
                   en forma normal.
Es recomendable, revisar el histograma para su posterior interpretación:
  140

        LSL                   TV                                               USL
  120


  100


   80


   60


   40


   20


    0
   43.6000    43.7000   43.8000    43.9000   44.0000   44.1000   44.2000   44.3000   44.4000




Las observaciones que se isieron a partir de la tabla de distribución, se pueden
visualizar mejor en el histograma: se observa que los datos obtenidos por las
muestras del primer trabajador están distribuidos en forma normal y que los
valores están dentro de los límites de especificación que fueron establecidos por la
misma empresa.
Resultados de 448 muestras tomadas del trabajador “Juan”



1.382   1.4559   1.432   1.386   1.438   1.304   1.421   1.48   1.475   1.474   1.41   1.446   1.38   1.38
1.456    1.357   1.518   1.343   1.433   1.424   1.413   1.53   1.434   1.473    1.4   1.333   1.45   1.46
1.394   1.3973   1.512    1.37   1.459   1.391   1.404   1.41    1.29   1.275   1.41   1.456   1.52    1.4
1.504   1.4527   1.418   1.428    1.46   1.397   1.589   1.43   1.466   1.449   1.49   1.457   1.41   1.35
 1.53   1.3433   1.444    1.38   1.357   1.466   1.476    1.4   1.353   1.544   1.43   1.472   1.45   1.37
1.472    1.343    1.41   1.287   1.444   1.541   1.485   1.39   1.396   1.495   1.29   1.382   1.36    1.4
1.262   1.2856   1.232   1.446    1.39   1.436   1.499    1.3   1.405    1.49   1.42   1.505   1.44   1.44
1.413   1.3608   1.443   1.437    1.45   1.422   1.423   1.45   1.446    1.33   1.39   1.506   1.41   1.52
1.311    1.332   1.423   1.458    1.35   1.526   1.525   1.33   1.397    1.42   1.37   1.402   1.44   1.48
1.428   1.4664    1.29   1.516   1.405   1.458    1.55   1.29   1.474   1.494   1.37   1.367   1.51   1.48
1.405   1.4006     1.3     1.5   1.377   1.537   1.419   1.46    1.48   1.394   1.47   1.501    1.4   1.45
1.478   1.3863   1.439   1.316   1.473   1.548   1.289   1.47   1.404   1.538   1.56   1.444    1.5   1.39
1.383   1.4707   1.486   1.392   1.465   1.499   1.435   1.43   1.469   1.576   1.39   1.569   1.39   1.43
1.423   1.4934   1.491   1.369    1.53   1.353   1.408   1.48   1.335   1.421   1.47   1.438   1.44   1.37
1.359   1.4099   1.296   1.299   1.555   1.363    1.49   1.41   1.465   1.396   1.35   1.449   1.35   1.41
1.338   1.3366   1.392    1.48   1.446   1.502   1.504   1.44   1.456   1.373    1.4    1.43   1.43    1.4
1.396    1.373   1.367   1.409   1.358   1.469   1.448    1.5   1.445   1.402   1.36   1.386   1.47   1.33
1.444   1.4279   1.383   1.333   1.415   1.449   1.475   1.49   1.418   1.501   1.42    1.39   1.41   1.39
1.326   1.4723   1.407   1.415   1.479   1.381   1.385   1.31   1.497   1.345   1.49   1.473   1.48   1.32
1.414   1.4936   1.394   1.398   1.394   1.399   1.451   1.49   1.315   1.452   1.36   1.443    1.4    1.5
1.292   1.4272   1.262    1.49   1.384   1.441   1.381   1.35   1.437   1.377   1.45   1.348   1.44    1.4
 1.31   1.4249   1.318   1.533   1.391   1.419   1.386   1.37    1.47   1.489   1.46   1.483   1.55   1.41
1.493   1.4022   1.378   1.413    1.51   1.365   1.326   1.36   1.296   1.471   1.48   1.486   1.47   1.41
1.356   1.4901   1.426   1.506   1.482    1.37   1.378   1.43   1.381   1.417   1.33   1.347   1.54   1.46
1.446   1.3559   1.438   1.489   1.548    1.41   1.415   1.41   1.439   1.339   1.46   1.432   1.43   1.34
1.453   1.3502   1.293   1.393   1.381   1.317   1.371   1.49    1.32   1.406   1.35    1.44   1.46   1.45
1.412   1.4728   1.488    1.28   1.345   1.494   1.431   1.44   1.299   1.439   1.49    1.53   1.38   1.41
1.404   1.3502    1.45   1.301   1.342    1.48   1.292   1.36   1.429   1.296   1.42   1.316   1.49   1.41
1.395   1.3456   1.394   1.396   1.196   1.442   1.484   1.45    1.45   1.435   1.34    1.47   1.42   1.35
1.449   1.4751   1.441   1.365   1.506   1.546   1.504   1.37   1.396   1.431   1.25    1.47   1.36   1.45
1.581   1.4285   1.451   1.482   1.347   1.439   1.466   1.43   1.469   1.541   1.47   1.499   1.33   1.36
1.484   1.3834   1.525    1.39   1.495    1.53   1.419   1.36   1.452   1.456   1.43   1.401   1.48   1.41
1.519   1.3333   1.434   1.314   1.538   1.485   1.382   1.48   1.407   1.401   1.42   1.463   1.37   1.45
 1.35   1.4034   1.475   1.461    1.42   1.246   1.346   1.43   1.391   1.541   1.45    1.43   1.53   1.53
1.395   1.3378   1.486   1.419   1.401   1.334   1.503   1.43   1.498    1.35   1.22   1.344   1.48   1.57
Se agrupan en 9 intervalos y se obtiene la siguiente tabla de distribución de frecuencias:

  Intervalos aparentes      Marcas de clase                                                     Medidas de tendencia central y dispersión

Límite inf.   Límite sup.        Xi         fi     fai        fri               frai               (fi)(xi)       (|xi-~x|)(fi)     (xi-~x)2(fi)
 43.88575        43.942       43.9137       4       4      0.00893            0.00893            175.65499         1.0086964       0.254367
  43.9427        43.999       43.9707      10      14      0.02232            0.03125             439.7075         1.9517411       0.380929
  43.9997        44.056       44.0277      37      51      0.08259            0.11384            1629.0267         5.1124420       0.706407
  44.0567        44.113       44.0847      71     122      0.15848            0.27232             3130.017         5.7633616       0.467836
  44.1137        44.170       44.1417      113    235      0.25223            0.52455            4988.0176         2.7316741       0.066036
  44.1707        44.227       44.1987      100    335      0.22321            0.74777            4419.8749         3.2825893       0.107754
  44.2277        44.284       44.2557      67     402      0.14955            0.89732            2965.1352         6.0183348       0.540602
  44.2847        44.341       44.3127      37     439      0.08259            0.97991             1639.57          5.4325580       0.797640
  44.342         44.398       44.3697       9     448      0.02009            1.00000            399.32774         1.834433        0.373905
                                           448                1                                  19786.333         33.135830       3.695476
                                                                       Media Aritmética ~x                       44.16592282
                                                                        Desviación Media                          0.07396391
                                                                          Varianza = S2                           0.00824883
                                                                       Desviación Estándar
                                                                              = √S                                0.09082308




                   En esta tabla se observan lo siguiente:
                   1. los datos están distribuidos en forma normal
                   2. La desviación estándar de este trabajador “Alan” (s = 0.09082308) es mayor que
                   la del trabajador “Juan” (s = 0.06818146).
Es recomendable, revisar el histograma para su posterior interpretación:
             140
                    LSL                                     TV              USL
             120


             100


              80


              60


              40


              20


               0
              43.6000 43.7000 43.8000 43.9000 44.0000 44.1000 44.2000 44.3000 44.4000 44.5000




         1. En el histograma se observa que el USL no cumple con los límites de
         especificación que fueron establecidos por la misma empresa.

                                                                   causas      fi      fr        fra
                                                                   M de O     113     0.38      0.38   %
         Diagrama de Pareto                                        MyE         71     0.24      0.62   %
125                                                         1       MP         67     0.22      0.84   %
                                                            0.9
                                                                    MT         37     0.12      0.97   %
105                                                                 MA         10     0.03      1.00   %
                                                            0.8
 85                                                         0.7
                                                            0.6
 65
                                                            0.5
 45
                                                            0.4

 25                                                         0.3
                                                            0.2
  5
                                                            0.1
      MdeO         MyE       MP         Mt         MA
A continuación mediante un diagrama de Ishikawa, determinaremos los posibles
causantes de dicha fallas en las muestras tomadas del turno vespertino.




Mediantes este diagrama, podemos determinar los factores que influye en el
proceso y a su vez provocan fallas en la calidad del mismo.

Conclusión:
El histograma del trabajador “Alan” confirma nuestras primeras observaciones; es
un proceso aceptablemente centrado.
    Con esta información observada anteriormente, podemos determinar que el
  trabajador Alan está cumpliendo con los límites de tolerancia establecidos por la
    empresa., mientras que Juan NO cumple con las especificaciones que fueron
requeridas, lo cual se pide que se le ponga más atención a este trabajador para que
                  logre mejorar y seguir al mismo ritmo que Alan.
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Histograma 2

  • 1. Universidad Tecnológica de Torreón Victo Hugo franco García Procesos Industriales Área de Manufactura Matricula: 1110167 Prof.: Lic. Gerardo Edgar Mata
  • 2. Se ha llenado de cierto liquido los embases de 500 ml de refresco de cola, cuyas especificaciones fueron de 44 ± 0.35mg de sodio que se le agrego a la producción arriba mencionada. Para ver si el departamento de embotellado está trabajando bajo el estándar indicado de control de calidad se tomaron 56 muestras de cada turno, cada 30 min con un periodo de 4 horas., obteniendo los siguientes resultados: Resultado general de las 896 muestras realizadas por ambos 2 trabajadores 43.83 43.68 43.82 43.88 43.86 43.88 43.81 43.92 43.83 44.28 44.12 44.21 44.29 44.15 44.02 43.96 44.05 44.13 43.77 43.95 43.91 43.81 43.86 43.91 43.91 43.86 43.89 44.08 44.17 44.16 44.09 44.20 44.12 44.17 44.10 44.31 43.87 43.77 43.88 43.90 43.85 43.85 43.79 43.80 43.77 44.17 44.32 44.27 44.17 44.24 44.29 44.18 44.17 43.97 43.93 43.81 43.81 43.88 43.77 43.85 43.84 43.89 43.88 44.18 44.11 44.16 44.14 44.23 44.17 44.06 44.09 44.13 43.93 43.90 43.94 43.92 43.87 43.86 43.83 43.88 43.91 44.02 44.12 44.12 44.07 44.24 44.16 44.16 44.20 44.09 43.96 43.88 43.73 43.67 43.86 43.83 43.95 43.90 43.79 44.13 44.07 44.21 44.21 44.14 44.08 44.04 44.11 44.22 43.71 43.91 43.89 43.88 43.90 43.91 43.76 43.79 43.87 44.10 44.15 44.09 44.07 44.30 44.16 44.24 44.09 43.98 43.83 43.89 43.84 43.95 43.80 43.82 43.79 43.89 43.89 44.28 44.14 44.23 44.29 44.22 44.22 44.27 44.12 44.14 43.92 43.76 43.85 43.74 43.89 44.00 43.84 43.96 43.91 44.17 44.06 44.23 44.23 44.29 44.23 44.06 44.22 43.97 43.78 43.78 43.81 43.85 43.86 43.90 43.78 43.87 43.84 44.19 44.17 44.29 44.39 44.18 44.07 44.05 44.08 44.21 43.80 43.90 43.81 43.94 43.86 43.89 43.76 43.82 43.87 44.10 44.31 44.17 44.20 44.31 44.24 44.13 44.02 44.12 43.74 43.87 43.91 43.96 43.91 43.79 43.71 43.87 43.82 43.96 44.31 44.21 44.31 44.08 44.30 44.18 44.23 44.04 43.73 43.79 43.90 43.87 43.97 43.91 43.89 43.97 43.88 44.16 44.23 44.27 44.23 44.28 44.24 44.16 44.15 44.05 43.79 43.83 43.88 43.86 43.76 43.95 43.83 43.69 43.95 44.26 44.20 44.31 44.20 44.27 44.15 44.21 44.25 44.26 43.80 43.86 43.90 43.97 43.77 43.80 43.88 43.85 43.84 44.07 44.16 44.25 44.09 44.26 43.92 44.20 44.09 44.07 43.71 43.89 43.96 43.85 43.89 43.83 43.71 43.84 43.78 44.16 44.23 44.19 44.05 44.37 43.89 44.30 44.07 44.14 43.81 43.86 43.87 43.81 43.93 43.76 43.93 43.92 43.79 44.01 44.09 44.17 44.12 44.14 44.24 44.11 44.01 44.13 43.82 43.79 43.89 43.91 43.79 43.94 43.72 43.93 43.90 44.14 44.34 44.12 44.16 44.13 44.11 44.22 44.19 44.10 43.86 43.97 43.97 43.85 43.71 43.92 43.82 43.96 43.96 44.15 44.29 44.02 44.17 44.25 44.22 44.08 44.04 44.08 43.83 43.88 43.83 43.92 43.79 43.86 43.79 43.73 43.81 44.11 44.17 44.18 44.22 44.21 44.16 44.16 44.17 44.19 43.83 43.85 43.92 43.88 43.86 43.71 43.84 43.90 43.80 44.31 44.13 44.19 44.10 44.23 44.00 44.20 43.90 44.10 43.83 43.90 43.86 43.95 43.88 43.88 43.86 43.87 43.92 44.18 44.08 44.14 44.28 44.08 44.25 44.26 44.13 44.08 43.94 43.91 43.93 43.84 43.78 43.88 43.96 43.90 43.86 44.22 44.10 43.98 44.14 44.15 44.21 44.32 44.32 43.94 43.84 43.81 43.84 43.79 43.79 43.93 43.82 43.88 43.88 44.06 44.12 44.26 44.08 44.33 44.24 44.20 44.03 44.19 43.84 43.79 43.80 43.75 43.88 43.79 43.80 43.84 44.02 44.17 44.28 44.16 44.15 44.27 44.31 44.26 44.40 44.36 43.82 43.92 43.92 43.68 43.86 43.93 43.80 43.96 43.81 44.27 44.18 44.01 44.09 44.14 44.23 44.11 44.09 44.38 43.98 43.77 43.81 43.86 43.81 43.81 43.89 43.88 43.80 44.13 44.35 44.17 44.22 44.17 44.02 44.35 44.24 44.03 43.91 43.75 43.89 43.87 43.86 43.80 43.93 43.85 43.93 44.18 44.06 44.16 44.22 44.06 44.22 44.15 44.17 44.19 44.01 43.90 43.89 43.85 43.79 43.74 43.76 43.85 43.83 44.06 44.27 44.27 44.26 44.09 44.16 44.16 44.07 44.09
  • 3. 43.81 43.89 43.83 43.86 43.79 43.94 43.91 43.85 43.76 44.09 44.27 44.22 44.32 44.22 44.12 44.27 44.02 44.32 43.96 44.00 43.82 43.87 43.92 43.79 43.95 43.74 43.92 44.13 44.09 44.09 44.18 44.15 44.10 44.05 44.23 44.28 43.74 43.95 43.76 43.95 43.96 43.95 43.81 43.88 43.76 44.18 44.17 44.28 44.25 44.13 44.33 44.13 44.19 44.13 43.89 43.94 43.98 43.86 43.81 43.77 43.86 43.86 43.82 44.29 44.20 44.04 44.19 44.06 44.25 44.30 44.10 44.08 43.91 43.86 43.81 43.78 43.84 43.82 43.80 43.89 43.76 44.11 44.20 44.11 44.04 44.23 44.25 44.13 44.14 44.28 43.98 43.85 43.86 43.76 43.86 43.76 43.90 43.84 43.78 44.14 44.22 44.12 44.24 44.06 44.19 44.18 44.17 44.17 43.84 43.88 43.83 43.86 43.97 43.95 43.87 43.90 43.89 44.16 44.20 44.24 44.26 44.05 44.00 44.27 44.20 44.28 43.82 43.85 44.04 43.91 43.89 43.85 43.85 43.94 43.86 44.14 44.30 44.30 44.26 44.26 44.20 44.22 44.21 44.25 43.89 43.78 43.93 43.75 43.96 43.87 43.78 43.98 43.73 44.19 43.95 44.05 44.19 44.17 44.08 44.19 44.30 44.27 43.82 43.73 43.91 43.81 43.86 43.91 43.83 43.76 43.98 44.25 44.09 44.01 44.12 44.31 44.08 44.10 44.11 44.12 43.90 43.90 43.94 43.88 43.95 43.98 43.90 43.89 43.87 44.13 44.12 44.11 44.13 44.04 44.15 44.12 44.05 44.15 43.75 43.88 43.86 43.84 43.81 43.85 43.85 43.84 43.94 44.14 44.02 44.03 44.04 44.22 44.26 44.19 44.15 44.24 43.79 43.89 43.89 43.83 43.79 43.78 43.92 43.80 43.85 44.22 44.03 44.14 44.20 44.14 44.07 44.11 44.22 44.26 43.75 43.86 43.83 43.84 43.93 43.81 43.78 43.90 43.83 44.20 44.35 44.19 44.24 44.14 44.16 44.31 43.99 44.17 43.83 43.78 43.77 43.82 43.91 43.91 43.90 44.00 43.85 44.25 44.14 44.19 44.31 44.25 44.00 44.16 44.13 44.21 43.85 43.93 43.93 43.80 43.74 43.91 43.93 43.94 43.73 44.22 44.12 44.18 44.00 44.16 44.06 44.34 44.14 44.14 43.85 43.83 43.83 43.89 43.93 43.88 43.77 43.86 43.80 44.22 44.04 44.15 44.21 44.20 44.19 44.17 44.08 44.13 43.83 43.79 43.76 43.85 43.84 43.75 43.88 43.82 43.94 44.13 44.34 44.18 44.18 44.13 44.19 44.15 43.98 44.09 43.99 43.80 43.90 43.93 43.78 43.76 43.73 43.83 43.86 44.10 44.19 44.19 44.19 44.14 44.07 44.14 44.14 44.15 43.82 43.90 43.87 43.73 43.84 43.86 43.78 43.82 44.03 44.12 44.39 44.11 44.09 44.22 44.24 44.21 43.82 43.88 43.85 43.80 43.81 43.92 43.85 43.81 44.13 44.19 44.10 44.16 44.11 44.23 44.32 44.16
  • 4. Resultados de 448 muestras tomadas del trabajador “Alan” 43.83 43.68 43.82 43.877 43.86 43.88 43.81 43.92 43.833 43.75 43.864 43.8335 43.84 43.93 43.81 43.78 43.77 43.946 43.91 43.807 43.86 43.91 43.91 43.86 43.892 43.83 43.782 43.7694 43.82 43.91 43.91 43.9 43.87 43.766 43.88 43.898 43.85 43.85 43.79 43.8 43.766 43.85 43.932 43.9336 43.8 43.74 43.91 43.93 43.93 43.807 43.81 43.885 43.77 43.85 43.84 43.89 43.884 43.85 43.829 43.8309 43.89 43.93 43.88 43.77 43.93 43.9 43.94 43.921 43.87 43.86 43.83 43.88 43.914 43.83 43.795 43.7638 43.85 43.84 43.75 43.88 43.96 43.881 43.73 43.667 43.86 43.83 43.95 43.9 43.793 43.99 43.796 43.9004 43.93 43.78 43.76 43.73 43.71 43.908 43.89 43.881 43.9 43.91 43.76 43.79 43.875 43.82 43.848 44.037 43.91 43.89 43.85 43.85 43.83 43.889 43.84 43.947 43.8 43.82 43.79 43.89 43.885 43.89 43.78 43.9326 43.75 43.96 43.87 43.78 43.92 43.759 43.85 43.736 43.89 44 43.84 43.96 43.914 43.82 43.733 43.9081 43.81 43.86 43.91 43.83 43.78 43.776 43.81 43.853 43.86 43.9 43.78 43.87 43.835 43.9 43.905 43.9379 43.88 43.95 43.98 43.9 43.8 43.896 43.81 43.939 43.86 43.89 43.76 43.82 43.865 43.75 43.879 43.8624 43.84 43.81 43.85 43.85 43.74 43.871 43.91 43.961 43.91 43.79 43.71 43.87 43.822 43.79 43.891 43.8858 43.83 43.79 43.78 43.92 43.73 43.788 43.9 43.866 43.97 43.91 43.89 43.97 43.884 43.74 43.945 43.7598 43.95 43.96 43.95 43.81 43.79 43.834 43.88 43.86 43.76 43.95 43.83 43.69 43.954 43.89 43.936 43.9815 43.86 43.81 43.77 43.86 43.8 43.859 43.9 43.972 43.77 43.8 43.88 43.85 43.84 43.91 43.857 43.8126 43.78 43.84 43.82 43.8 43.71 43.887 43.96 43.847 43.89 43.83 43.71 43.84 43.782 43.98 43.85 43.8557 43.76 43.86 43.76 43.9 43.81 43.859 43.87 43.807 43.93 43.76 43.93 43.92 43.789 43.84 43.88 43.8345 43.86 43.97 43.95 43.87 43.82 43.79 43.89 43.91 43.79 43.94 43.72 43.93 43.898 43.88 43.924 43.7635 43.98 43.94 43.73 43.81 43.86 43.974 43.97 43.849 43.71 43.92 43.82 43.96 43.955 43.86 43.765 43.8909 43.87 43.86 43.8 43.8 43.83 43.882 43.83 43.919 43.79 43.86 43.79 43.73 43.808 43.89 43.824 43.84 43.94 43.82 43.94 43.93 43.83 43.855 43.92 43.879 43.86 43.71 43.84 43.9 43.795 43.84 43.755 43.80 43.85 43.83 43.86 43.83 43.83 43.905 43.86 43.946 43.88 43.88 43.86 43.87 43.918 43.9 43.778 43.90 43.83 43.78 43.82 43.76 43.94 43.907 43.93 43.842 43.78 43.88 43.96 43.9 43.865 43.94 43.89 44.00 43.85 43.86 43.81 43.88 43.84 43.808 43.84 43.787 43.79 43.93 43.82 43.88 43.88 43.98 43.858 43.8016 43.74 43.79 43.93 43.85 43.84 43.789 43.8 43.748 43.88 43.79 43.8 43.84 44.022 43.83 43.735 43.7362 43.95 43.79 43.76 43.85 43.82 43.923 43.92 43.681 43.86 43.93 43.8 43.96 43.863 43.82 43.867 43.9407 43.92 43.79 43.91 43.85 43.98 43.771 43.81 43.857 43.81 43.81 43.89 43.81 43.892 43.96 43.996 44.0068 43.9 43.89 43.85 43.87 43.91 43.747 43.89 43.822 43.9 43.87 43.73 43.84 43.855 43.82 43.878 43.8538 43.8 43.81 43.92 43.85
  • 5. Resultados de 448 muestras tomadas del trabajador “Juan” 1.382 1.4559 1.432 1.386 1.438 1.304 1.421 1.48 1.475 1.474 1.41 1.446 1.38 1.38 1.456 1.357 1.518 1.343 1.433 1.424 1.413 1.53 1.434 1.473 1.4 1.333 1.45 1.46 1.394 1.3973 1.512 1.37 1.459 1.391 1.404 1.41 1.29 1.275 1.41 1.456 1.52 1.4 1.504 1.4527 1.418 1.428 1.46 1.397 1.589 1.43 1.466 1.449 1.49 1.457 1.41 1.35 1.53 1.3433 1.444 1.38 1.357 1.466 1.476 1.4 1.353 1.544 1.43 1.472 1.45 1.37 1.472 1.343 1.41 1.287 1.444 1.541 1.485 1.39 1.396 1.495 1.29 1.382 1.36 1.4 1.262 1.2856 1.232 1.446 1.39 1.436 1.499 1.3 1.405 1.49 1.42 1.505 1.44 1.44 1.413 1.3608 1.443 1.437 1.45 1.422 1.423 1.45 1.446 1.33 1.39 1.506 1.41 1.52 1.311 1.332 1.423 1.458 1.35 1.526 1.525 1.33 1.397 1.42 1.37 1.402 1.44 1.48 1.428 1.4664 1.29 1.516 1.405 1.458 1.55 1.29 1.474 1.494 1.37 1.367 1.51 1.48 1.405 1.4006 1.3 1.5 1.377 1.537 1.419 1.46 1.48 1.394 1.47 1.501 1.4 1.45 1.478 1.3863 1.439 1.316 1.473 1.548 1.289 1.47 1.404 1.538 1.56 1.444 1.5 1.39 1.383 1.4707 1.486 1.392 1.465 1.499 1.435 1.43 1.469 1.576 1.39 1.569 1.39 1.43 1.423 1.4934 1.491 1.369 1.53 1.353 1.408 1.48 1.335 1.421 1.47 1.438 1.44 1.37 1.359 1.4099 1.296 1.299 1.555 1.363 1.49 1.41 1.465 1.396 1.35 1.449 1.35 1.41 1.338 1.3366 1.392 1.48 1.446 1.502 1.504 1.44 1.456 1.373 1.4 1.43 1.43 1.4 1.396 1.373 1.367 1.409 1.358 1.469 1.448 1.5 1.445 1.402 1.36 1.386 1.47 1.33 1.444 1.4279 1.383 1.333 1.415 1.449 1.475 1.49 1.418 1.501 1.42 1.39 1.41 1.39 1.326 1.4723 1.407 1.415 1.479 1.381 1.385 1.31 1.497 1.345 1.49 1.473 1.48 1.32 1.414 1.4936 1.394 1.398 1.394 1.399 1.451 1.49 1.315 1.452 1.36 1.443 1.4 1.5 1.292 1.4272 1.262 1.49 1.384 1.441 1.381 1.35 1.437 1.377 1.45 1.348 1.44 1.4 1.31 1.4249 1.318 1.533 1.391 1.419 1.386 1.37 1.47 1.489 1.46 1.483 1.55 1.41 1.493 1.4022 1.378 1.413 1.51 1.365 1.326 1.36 1.296 1.471 1.48 1.486 1.47 1.41 1.356 1.4901 1.426 1.506 1.482 1.37 1.378 1.43 1.381 1.417 1.33 1.347 1.54 1.46 1.446 1.3559 1.438 1.489 1.548 1.41 1.415 1.41 1.439 1.339 1.46 1.432 1.43 1.34 1.453 1.3502 1.293 1.393 1.381 1.317 1.371 1.49 1.32 1.406 1.35 1.44 1.46 1.45 1.412 1.4728 1.488 1.28 1.345 1.494 1.431 1.44 1.299 1.439 1.49 1.53 1.38 1.41 1.404 1.3502 1.45 1.301 1.342 1.48 1.292 1.36 1.429 1.296 1.42 1.316 1.49 1.41 1.395 1.3456 1.394 1.396 1.196 1.442 1.484 1.45 1.45 1.435 1.34 1.47 1.42 1.35 1.449 1.4751 1.441 1.365 1.506 1.546 1.504 1.37 1.396 1.431 1.25 1.47 1.36 1.45 1.581 1.4285 1.451 1.482 1.347 1.439 1.466 1.43 1.469 1.541 1.47 1.499 1.33 1.36 1.484 1.3834 1.525 1.39 1.495 1.53 1.419 1.36 1.452 1.456 1.43 1.401 1.48 1.41 1.519 1.3333 1.434 1.314 1.538 1.485 1.382 1.48 1.407 1.401 1.42 1.463 1.37 1.45 1.35 1.4034 1.475 1.461 1.42 1.246 1.346 1.43 1.391 1.541 1.45 1.43 1.53 1.53 1.395 1.3378 1.486 1.419 1.401 1.334 1.503 1.43 1.498 1.35 1.22 1.344 1.48 1.57 Solución en las siguientes paginas
  • 6. Para resolver el problema, primero vamos a elaborar una tabla de frecuencias con su respectivo histograma tomando en conjunto la seria de muestras tomadas por ambos trabajadores. Resultado general de las 896 muestras realizadas por ambos trabajadores 43.83 43.68 43.82 43.88 43.86 43.88 43.81 43.92 43.83 44.28 44.12 44.21 44.29 44.15 44.02 43.96 44.05 44.13 43.77 43.95 43.91 43.81 43.86 43.91 43.91 43.86 43.89 44.08 44.17 44.16 44.09 44.20 44.12 44.17 44.10 44.31 43.87 43.77 43.88 43.90 43.85 43.85 43.79 43.80 43.77 44.17 44.32 44.27 44.17 44.24 44.29 44.18 44.17 43.97 43.93 43.81 43.81 43.88 43.77 43.85 43.84 43.89 43.88 44.18 44.11 44.16 44.14 44.23 44.17 44.06 44.09 44.13 43.93 43.90 43.94 43.92 43.87 43.86 43.83 43.88 43.91 44.02 44.12 44.12 44.07 44.24 44.16 44.16 44.20 44.09 43.96 43.88 43.73 43.67 43.86 43.83 43.95 43.90 43.79 44.13 44.07 44.21 44.21 44.14 44.08 44.04 44.11 44.22 43.71 43.91 43.89 43.88 43.90 43.91 43.76 43.79 43.87 44.10 44.15 44.09 44.07 44.30 44.16 44.24 44.09 43.98 43.83 43.89 43.84 43.95 43.80 43.82 43.79 43.89 43.89 44.28 44.14 44.23 44.29 44.22 44.22 44.27 44.12 44.14 43.92 43.76 43.85 43.74 43.89 44.00 43.84 43.96 43.91 44.17 44.06 44.23 44.23 44.29 44.23 44.06 44.22 43.97 43.78 43.78 43.81 43.85 43.86 43.90 43.78 43.87 43.84 44.19 44.17 44.29 44.39 44.18 44.07 44.05 44.08 44.21 43.80 43.90 43.81 43.94 43.86 43.89 43.76 43.82 43.87 44.10 44.31 44.17 44.20 44.31 44.24 44.13 44.02 44.12 43.74 43.87 43.91 43.96 43.91 43.79 43.71 43.87 43.82 43.96 44.31 44.21 44.31 44.08 44.30 44.18 44.23 44.04 43.73 43.79 43.90 43.87 43.97 43.91 43.89 43.97 43.88 44.16 44.23 44.27 44.23 44.28 44.24 44.16 44.15 44.05 43.79 43.83 43.88 43.86 43.76 43.95 43.83 43.69 43.95 44.26 44.20 44.31 44.20 44.27 44.15 44.21 44.25 44.26 43.80 43.86 43.90 43.97 43.77 43.80 43.88 43.85 43.84 44.07 44.16 44.25 44.09 44.26 43.92 44.20 44.09 44.07 43.71 43.89 43.96 43.85 43.89 43.83 43.71 43.84 43.78 44.16 44.23 44.19 44.05 44.37 43.89 44.30 44.07 44.14 43.81 43.86 43.87 43.81 43.93 43.76 43.93 43.92 43.79 44.01 44.09 44.17 44.12 44.14 44.24 44.11 44.01 44.13 43.82 43.79 43.89 43.91 43.79 43.94 43.72 43.93 43.90 44.14 44.34 44.12 44.16 44.13 44.11 44.22 44.19 44.10 43.86 43.97 43.97 43.85 43.71 43.92 43.82 43.96 43.96 44.15 44.29 44.02 44.17 44.25 44.22 44.08 44.04 44.08 43.83 43.88 43.83 43.92 43.79 43.86 43.79 43.73 43.81 44.11 44.17 44.18 44.22 44.21 44.16 44.16 44.17 44.19 43.83 43.85 43.92 43.88 43.86 43.71 43.84 43.90 43.80 44.31 44.13 44.19 44.10 44.23 44.00 44.20 43.90 44.10 43.83 43.90 43.86 43.95 43.88 43.88 43.86 43.87 43.92 44.18 44.08 44.14 44.28 44.08 44.25 44.26 44.13 44.08 43.94 43.91 43.93 43.84 43.78 43.88 43.96 43.90 43.86 44.22 44.10 43.98 44.14 44.15 44.21 44.32 44.32 43.94 43.84 43.81 43.84 43.79 43.79 43.93 43.82 43.88 43.88 44.06 44.12 44.26 44.08 44.33 44.24 44.20 44.03 44.19 43.84 43.79 43.80 43.75 43.88 43.79 43.80 43.84 44.02 44.17 44.28 44.16 44.15 44.27 44.31 44.26 44.40 44.36 43.82 43.92 43.92 43.68 43.86 43.93 43.80 43.96 43.81 44.27 44.18 44.01 44.09 44.14 44.23 44.11 44.09 44.38 43.98 43.77 43.81 43.86 43.81 43.81 43.89 43.88 43.80 44.13 44.35 44.17 44.22 44.17 44.02 44.35 44.24 44.03 43.91 43.75 43.89 43.87 43.86 43.80 43.93 43.85 43.93 44.18 44.06 44.16 44.22 44.06 44.22 44.15 44.17 44.19 44.01 43.90 43.89 43.85 43.79 43.74 43.76 43.85 43.83 44.06 44.27 44.27 44.26 44.09 44.16 44.16 44.07 44.09 43.81 43.89 43.83 43.86 43.79 43.94 43.91 43.85 43.76 44.09 44.27 44.22 44.32 44.22 44.12 44.27 44.02 44.32 43.96 44.00 43.82 43.87 43.92 43.79 43.95 43.74 43.92 44.13 44.09 44.09 44.18 44.15 44.10 44.05 44.23 44.28 43.74 43.95 43.76 43.95 43.96 43.95 43.81 43.88 43.76 44.18 44.17 44.28 44.25 44.13 44.33 44.13 44.19 44.13 43.89 43.94 43.98 43.86 43.81 43.77 43.86 43.86 43.82 44.29 44.20 44.04 44.19 44.06 44.25 44.30 44.10 44.08 43.91 43.86 43.81 43.78 43.84 43.82 43.80 43.89 43.76 44.11 44.20 44.11 44.04 44.23 44.25 44.13 44.14 44.28
  • 7. 43.98 43.85 43.86 43.76 43.86 43.76 43.90 43.84 43.78 44.14 44.22 44.12 44.24 44.06 44.19 44.18 44.17 44.17 43.84 43.88 43.83 43.86 43.97 43.95 43.87 43.90 43.89 44.16 44.20 44.24 44.26 44.05 44.00 44.27 44.20 44.28 43.82 43.85 44.04 43.91 43.89 43.85 43.85 43.94 43.86 44.14 44.30 44.30 44.26 44.26 44.20 44.22 44.21 44.25 43.89 43.78 43.93 43.75 43.96 43.87 43.78 43.98 43.73 44.19 43.95 44.05 44.19 44.17 44.08 44.19 44.30 44.27 43.82 43.73 43.91 43.81 43.86 43.91 43.83 43.76 43.98 44.25 44.09 44.01 44.12 44.31 44.08 44.10 44.11 44.12 43.90 43.90 43.94 43.88 43.95 43.98 43.90 43.89 43.87 44.13 44.12 44.11 44.13 44.04 44.15 44.12 44.05 44.15 43.75 43.88 43.86 43.84 43.81 43.85 43.85 43.84 43.94 44.14 44.02 44.03 44.04 44.22 44.26 44.19 44.15 44.24 43.79 43.89 43.89 43.83 43.79 43.78 43.92 43.80 43.85 44.22 44.03 44.14 44.20 44.14 44.07 44.11 44.22 44.26 43.75 43.86 43.83 43.84 43.93 43.81 43.78 43.90 43.83 44.20 44.35 44.19 44.24 44.14 44.16 44.31 43.99 44.17 43.83 43.78 43.77 43.82 43.91 43.91 43.90 44.00 43.85 44.25 44.14 44.19 44.31 44.25 44.00 44.16 44.13 44.21 43.85 43.93 43.93 43.80 43.74 43.91 43.93 43.94 43.73 44.22 44.12 44.18 44.00 44.16 44.06 44.34 44.14 44.14 43.85 43.83 43.83 43.89 43.93 43.88 43.77 43.86 43.80 44.22 44.04 44.15 44.21 44.20 44.19 44.17 44.08 44.13 43.83 43.79 43.76 43.85 43.84 43.75 43.88 43.82 43.94 44.13 44.34 44.18 44.18 44.13 44.19 44.15 43.98 44.09 43.99 43.80 43.90 43.93 43.78 43.76 43.73 43.83 43.86 44.10 44.19 44.19 44.19 44.14 44.07 44.14 44.14 44.15 43.82 43.90 43.87 43.73 43.84 43.86 43.78 43.82 44.03 44.12 44.39 44.11 44.09 44.22 44.24 44.21 43.82 43.88 43.85 43.80 43.81 43.92 43.85 43.81 44.13 44.19 44.10 44.16 44.11 44.23 44.32 44.16 Se agrupan en 9 intervalos y se obtiene la siguiente tabla de distribución de frecuencias: Intervalos aparentes Marcas de clase Medidas de tendencia central y dispersión Límite inf. Límite sup. Xi fi fai fri frai (fi)(xi) (|xi-~x|)(fi) (xi-~x)2(fi) 43.66722 43.748 43.7075 26 26 0.02902 0.02902 1136.39413 7.8658415 2.379672 43.7487 43.829 43.7890 134 160 0.14955 0.17857 5867.7215 29.6183371 6.546611 43.8302 43.911 43.8705 200 360 0.22321 0.40179 8774.0933 27.9064732 3.893856 43.9117 43.992 43.9520 93 453 0.10379 0.50558 4087.533 5.3970100 0.313201 43.9932 44.074 44.0335 64 517 0.07143 0.57701 2818.14185 1.5019286 0.035247 44.0747 44.155 44.1150 134 651 0.14955 0.72656 5911.4055 14.0656629 1.476439 44.1562 44.237 44.1965 146 797 0.16295 0.88951 6452.6841 27.2242746 5.076446 44.2377 44.318 44.2780 81 878 0.09040 0.97991 3586.52 21.7053783 5.816339 44.319 44.400 44.3595 18 896 0.02009 1.00000 798.47040 6.290417 2.198297 896 1 39432.959 141.575324 27.736109 Media Aritmética ~x 44.00999881 Desviación Media 0.15800817 Varianza = S2 0.03095548 Desviación Estándar = √S 0.17594169
  • 8. Mediante esta tabla podemos observar lo siguiente: 1. Mediante un histograma general elaborado por ambos trabajadores, podemos determinar si surge un error, determinar de dónde proviene., y Como mejorarlo para que ambos turnos trabajen al mismo ritmo. 2. Mediante la tabla de frecuencias, podemos observar que las frecuencias no están distribuidas en forma normal, están distribuidas en forma Bimodal la cual suele presentarse cuando un conjunto de valores son obtenidos por la mezcla de 2 muestras como en este caso, que se tomo en conjunto las muestras de los 2 trabajadores. 3. El USL esperado no está dentro de los limites de especiación que fueron establecidos por la empresa, mientras que el LSL, si esta dentro del rango de tolerancia. Es recomendable, revisar el histograma para su posterior interpretación: 250 LSL TV USL 200 150 100 50 0 43.4000 43.6000 43.8000 44.0000 44.2000 44.4000 44.6000 Las observaciones que se isieron a partir de la tabla de distribución, se pueden visualizar mejor en el histograma: se observa que los datos están distribuidos en forma Bimodal y que algunos valores están fuera de los límites de especificación. Para resolver el problema, primero vamos a elaborar una tabla de frecuencias con su respectivo histograma por cada trabajador.
  • 9. Resultados de 448 muestras tomadas del trabajador “Alan” 43.83 43.68 43.82 43.877 43.86 43.88 43.81 43.92 43.833 43.75 43.864 43.8335 43.84 43.93 43.81 43.78 43.77 43.946 43.91 43.807 43.86 43.91 43.91 43.86 43.892 43.83 43.782 43.7694 43.82 43.91 43.91 43.9 43.87 43.766 43.88 43.898 43.85 43.85 43.79 43.8 43.766 43.85 43.932 43.9336 43.8 43.74 43.91 43.93 43.93 43.807 43.81 43.885 43.77 43.85 43.84 43.89 43.884 43.85 43.829 43.8309 43.89 43.93 43.88 43.77 43.93 43.9 43.94 43.921 43.87 43.86 43.83 43.88 43.914 43.83 43.795 43.7638 43.85 43.84 43.75 43.88 43.96 43.881 43.73 43.667 43.86 43.83 43.95 43.9 43.793 43.99 43.796 43.9004 43.93 43.78 43.76 43.73 43.71 43.908 43.89 43.881 43.9 43.91 43.76 43.79 43.875 43.82 43.848 44.037 43.91 43.89 43.85 43.85 43.83 43.889 43.84 43.947 43.8 43.82 43.79 43.89 43.885 43.89 43.78 43.9326 43.75 43.96 43.87 43.78 43.92 43.759 43.85 43.736 43.89 44 43.84 43.96 43.914 43.82 43.733 43.9081 43.81 43.86 43.91 43.83 43.78 43.776 43.81 43.853 43.86 43.9 43.78 43.87 43.835 43.9 43.905 43.9379 43.88 43.95 43.98 43.9 43.8 43.896 43.81 43.939 43.86 43.89 43.76 43.82 43.865 43.75 43.879 43.8624 43.84 43.81 43.85 43.85 43.74 43.871 43.91 43.961 43.91 43.79 43.71 43.87 43.822 43.79 43.891 43.8858 43.83 43.79 43.78 43.92 43.73 43.788 43.9 43.866 43.97 43.91 43.89 43.97 43.884 43.74 43.945 43.7598 43.95 43.96 43.95 43.81 43.79 43.834 43.88 43.86 43.76 43.95 43.83 43.69 43.954 43.89 43.936 43.9815 43.86 43.81 43.77 43.86 43.8 43.859 43.9 43.972 43.77 43.8 43.88 43.85 43.84 43.91 43.857 43.8126 43.78 43.84 43.82 43.8 43.71 43.887 43.96 43.847 43.89 43.83 43.71 43.84 43.782 43.98 43.85 43.8557 43.76 43.86 43.76 43.9 43.81 43.859 43.87 43.807 43.93 43.76 43.93 43.92 43.789 43.84 43.88 43.8345 43.86 43.97 43.95 43.87 43.82 43.79 43.89 43.91 43.79 43.94 43.72 43.93 43.898 43.88 43.924 43.7635 43.98 43.94 43.73 43.81 43.86 43.974 43.97 43.849 43.71 43.92 43.82 43.96 43.955 43.86 43.765 43.8909 43.87 43.86 43.8 43.8 43.83 43.882 43.83 43.919 43.79 43.86 43.79 43.73 43.808 43.89 43.824 43.84 43.94 43.82 43.94 43.93 43.83 43.855 43.92 43.879 43.86 43.71 43.84 43.9 43.795 43.84 43.755 43.80 43.85 43.83 43.86 43.83 43.83 43.905 43.86 43.946 43.88 43.88 43.86 43.87 43.918 43.9 43.778 43.90 43.83 43.78 43.82 43.76 43.94 43.907 43.93 43.842 43.78 43.88 43.96 43.9 43.865 43.94 43.89 44.00 43.85 43.86 43.81 43.88 43.84 43.808 43.84 43.787 43.79 43.93 43.82 43.88 43.88 43.98 43.858 43.8016 43.74 43.79 43.93 43.85 43.84 43.789 43.8 43.748 43.88 43.79 43.8 43.84 44.022 43.83 43.735 43.7362 43.95 43.79 43.76 43.85 43.82 43.923 43.92 43.681 43.86 43.93 43.8 43.96 43.863 43.82 43.867 43.9407 43.92 43.79 43.91 43.85 43.98 43.771 43.81 43.857 43.81 43.81 43.89 43.81 43.892 43.96 43.996 44.0068 43.9 43.89 43.85 43.87 43.91 43.747 43.89 43.822 43.9 43.87 43.73 43.84 43.855 43.82 43.878 43.8538 43.8 43.81 43.92 43.85
  • 10. Se agrupan en 9 intervalos y se obtiene la siguiente tabla de distribución de frecuencias: Intervalos aparentes Marcas de clase Medidas de tendencia central y dispersión Límite inf. Límite sup. Xi fi fai fri frai (fi)(xi) (|xi-~x|)(fi) (xi-~x)2(fi) 43.66722 43.707 43.6873 7 7 0.01563 0.01563 305.81122 1.1677625 0.194810 43.7084 43.749 43.7285 20 27 0.04464 0.06027 874.5703 2.5124643 0.315624 43.7496 43.790 43.7697 56 83 0.12500 0.18527 2451.1041 4.7277000 0.399128 43.7908 43.831 43.8109 82 165 0.18304 0.36830 3592.495 3.5443036 0.153196 43.8320 43.872 43.8521 102 267 0.22768 0.59598 4472.9159 0.2063679 0.000418 43.8732 43.913 43.8933 93 360 0.20759 0.80357 4082.0784 3.6434411 0.142738 43.9144 43.955 43.9345 58 418 0.12946 0.93304 2548.2020 4.6618536 0.374705 43.9556 43.996 43.9757 25 443 0.05580 0.98884 1099.39 3.0394196 0.369523 43.997 44.037 44.0169 5 448 0.01116 1.00000 220.08458 0.813884 0.132481 448 1 19646.655 24.317196 2.082622 Media Aritmética ~x 43.85413966 Desviación Media 0.05427946 Varianza = S2 0.00464871 Desviación Estándar = √S 0.06818146 Mediante esta tabla podemos observar lo siguiente: Una vez que tenemos los datos, es imposible determinar una posible conclusión, es recomendable que se ordenen los valores en una tabla de distribución de frecuencias. Se observan que los valores obtenidos por el primer trabajador, están distribuidos en forma normal.
  • 11. Es recomendable, revisar el histograma para su posterior interpretación: 140 LSL TV USL 120 100 80 60 40 20 0 43.6000 43.7000 43.8000 43.9000 44.0000 44.1000 44.2000 44.3000 44.4000 Las observaciones que se isieron a partir de la tabla de distribución, se pueden visualizar mejor en el histograma: se observa que los datos obtenidos por las muestras del primer trabajador están distribuidos en forma normal y que los valores están dentro de los límites de especificación que fueron establecidos por la misma empresa.
  • 12. Resultados de 448 muestras tomadas del trabajador “Juan” 1.382 1.4559 1.432 1.386 1.438 1.304 1.421 1.48 1.475 1.474 1.41 1.446 1.38 1.38 1.456 1.357 1.518 1.343 1.433 1.424 1.413 1.53 1.434 1.473 1.4 1.333 1.45 1.46 1.394 1.3973 1.512 1.37 1.459 1.391 1.404 1.41 1.29 1.275 1.41 1.456 1.52 1.4 1.504 1.4527 1.418 1.428 1.46 1.397 1.589 1.43 1.466 1.449 1.49 1.457 1.41 1.35 1.53 1.3433 1.444 1.38 1.357 1.466 1.476 1.4 1.353 1.544 1.43 1.472 1.45 1.37 1.472 1.343 1.41 1.287 1.444 1.541 1.485 1.39 1.396 1.495 1.29 1.382 1.36 1.4 1.262 1.2856 1.232 1.446 1.39 1.436 1.499 1.3 1.405 1.49 1.42 1.505 1.44 1.44 1.413 1.3608 1.443 1.437 1.45 1.422 1.423 1.45 1.446 1.33 1.39 1.506 1.41 1.52 1.311 1.332 1.423 1.458 1.35 1.526 1.525 1.33 1.397 1.42 1.37 1.402 1.44 1.48 1.428 1.4664 1.29 1.516 1.405 1.458 1.55 1.29 1.474 1.494 1.37 1.367 1.51 1.48 1.405 1.4006 1.3 1.5 1.377 1.537 1.419 1.46 1.48 1.394 1.47 1.501 1.4 1.45 1.478 1.3863 1.439 1.316 1.473 1.548 1.289 1.47 1.404 1.538 1.56 1.444 1.5 1.39 1.383 1.4707 1.486 1.392 1.465 1.499 1.435 1.43 1.469 1.576 1.39 1.569 1.39 1.43 1.423 1.4934 1.491 1.369 1.53 1.353 1.408 1.48 1.335 1.421 1.47 1.438 1.44 1.37 1.359 1.4099 1.296 1.299 1.555 1.363 1.49 1.41 1.465 1.396 1.35 1.449 1.35 1.41 1.338 1.3366 1.392 1.48 1.446 1.502 1.504 1.44 1.456 1.373 1.4 1.43 1.43 1.4 1.396 1.373 1.367 1.409 1.358 1.469 1.448 1.5 1.445 1.402 1.36 1.386 1.47 1.33 1.444 1.4279 1.383 1.333 1.415 1.449 1.475 1.49 1.418 1.501 1.42 1.39 1.41 1.39 1.326 1.4723 1.407 1.415 1.479 1.381 1.385 1.31 1.497 1.345 1.49 1.473 1.48 1.32 1.414 1.4936 1.394 1.398 1.394 1.399 1.451 1.49 1.315 1.452 1.36 1.443 1.4 1.5 1.292 1.4272 1.262 1.49 1.384 1.441 1.381 1.35 1.437 1.377 1.45 1.348 1.44 1.4 1.31 1.4249 1.318 1.533 1.391 1.419 1.386 1.37 1.47 1.489 1.46 1.483 1.55 1.41 1.493 1.4022 1.378 1.413 1.51 1.365 1.326 1.36 1.296 1.471 1.48 1.486 1.47 1.41 1.356 1.4901 1.426 1.506 1.482 1.37 1.378 1.43 1.381 1.417 1.33 1.347 1.54 1.46 1.446 1.3559 1.438 1.489 1.548 1.41 1.415 1.41 1.439 1.339 1.46 1.432 1.43 1.34 1.453 1.3502 1.293 1.393 1.381 1.317 1.371 1.49 1.32 1.406 1.35 1.44 1.46 1.45 1.412 1.4728 1.488 1.28 1.345 1.494 1.431 1.44 1.299 1.439 1.49 1.53 1.38 1.41 1.404 1.3502 1.45 1.301 1.342 1.48 1.292 1.36 1.429 1.296 1.42 1.316 1.49 1.41 1.395 1.3456 1.394 1.396 1.196 1.442 1.484 1.45 1.45 1.435 1.34 1.47 1.42 1.35 1.449 1.4751 1.441 1.365 1.506 1.546 1.504 1.37 1.396 1.431 1.25 1.47 1.36 1.45 1.581 1.4285 1.451 1.482 1.347 1.439 1.466 1.43 1.469 1.541 1.47 1.499 1.33 1.36 1.484 1.3834 1.525 1.39 1.495 1.53 1.419 1.36 1.452 1.456 1.43 1.401 1.48 1.41 1.519 1.3333 1.434 1.314 1.538 1.485 1.382 1.48 1.407 1.401 1.42 1.463 1.37 1.45 1.35 1.4034 1.475 1.461 1.42 1.246 1.346 1.43 1.391 1.541 1.45 1.43 1.53 1.53 1.395 1.3378 1.486 1.419 1.401 1.334 1.503 1.43 1.498 1.35 1.22 1.344 1.48 1.57
  • 13. Se agrupan en 9 intervalos y se obtiene la siguiente tabla de distribución de frecuencias: Intervalos aparentes Marcas de clase Medidas de tendencia central y dispersión Límite inf. Límite sup. Xi fi fai fri frai (fi)(xi) (|xi-~x|)(fi) (xi-~x)2(fi) 43.88575 43.942 43.9137 4 4 0.00893 0.00893 175.65499 1.0086964 0.254367 43.9427 43.999 43.9707 10 14 0.02232 0.03125 439.7075 1.9517411 0.380929 43.9997 44.056 44.0277 37 51 0.08259 0.11384 1629.0267 5.1124420 0.706407 44.0567 44.113 44.0847 71 122 0.15848 0.27232 3130.017 5.7633616 0.467836 44.1137 44.170 44.1417 113 235 0.25223 0.52455 4988.0176 2.7316741 0.066036 44.1707 44.227 44.1987 100 335 0.22321 0.74777 4419.8749 3.2825893 0.107754 44.2277 44.284 44.2557 67 402 0.14955 0.89732 2965.1352 6.0183348 0.540602 44.2847 44.341 44.3127 37 439 0.08259 0.97991 1639.57 5.4325580 0.797640 44.342 44.398 44.3697 9 448 0.02009 1.00000 399.32774 1.834433 0.373905 448 1 19786.333 33.135830 3.695476 Media Aritmética ~x 44.16592282 Desviación Media 0.07396391 Varianza = S2 0.00824883 Desviación Estándar = √S 0.09082308 En esta tabla se observan lo siguiente: 1. los datos están distribuidos en forma normal 2. La desviación estándar de este trabajador “Alan” (s = 0.09082308) es mayor que la del trabajador “Juan” (s = 0.06818146).
  • 14. Es recomendable, revisar el histograma para su posterior interpretación: 140 LSL TV USL 120 100 80 60 40 20 0 43.6000 43.7000 43.8000 43.9000 44.0000 44.1000 44.2000 44.3000 44.4000 44.5000 1. En el histograma se observa que el USL no cumple con los límites de especificación que fueron establecidos por la misma empresa. causas fi fr fra M de O 113 0.38 0.38 % Diagrama de Pareto MyE 71 0.24 0.62 % 125 1 MP 67 0.22 0.84 % 0.9 MT 37 0.12 0.97 % 105 MA 10 0.03 1.00 % 0.8 85 0.7 0.6 65 0.5 45 0.4 25 0.3 0.2 5 0.1 MdeO MyE MP Mt MA
  • 15. A continuación mediante un diagrama de Ishikawa, determinaremos los posibles causantes de dicha fallas en las muestras tomadas del turno vespertino. Mediantes este diagrama, podemos determinar los factores que influye en el proceso y a su vez provocan fallas en la calidad del mismo. Conclusión: El histograma del trabajador “Alan” confirma nuestras primeras observaciones; es un proceso aceptablemente centrado. Con esta información observada anteriormente, podemos determinar que el trabajador Alan está cumpliendo con los límites de tolerancia establecidos por la empresa., mientras que Juan NO cumple con las especificaciones que fueron requeridas, lo cual se pide que se le ponga más atención a este trabajador para que logre mejorar y seguir al mismo ritmo que Alan.
  • 16. andruss_hugo1453@hotmail.com • http://www.facebook.com/profile.php?id=100001475094229 • http://hugo-franco.bligoo.com.mx/content • https://twitter.com/#!/victorhugofran4 • Otros: • World_black2@hotmail.com G R ¡Gracias por A tu atención! C I A S ¡saludos!