Introduces students to four measures of central tendency

1. Measures of Central Tendency By Tyler Torek Statistics

3. Median

4. Mode

5. RangeThese measures help describe data.

6. Mean the of a set of the data average 3, 4, 4, 10, 15, 16, 18 70  7 = 10 Just add and divide

7. Median the number middle 3, 4, 4, , 15, 16, 18 10 10 is the median Justfind the middle

8. Median numbers not in sequence must be ordered 6, 12, 2, 6, 4 2, 4, , 6, 12 6 6 is the median

9. Mode the number that repeats the most 3, 4, 4, 10, 15, 16, 18 4 is the mode The number that appears the most

10. Mode there may be more than one mode 3, 3, 4, 4, 4, 7, 9, 9, 9 4 & 9 are the modes

11. Range the difference between the and least greatest , 4, 4, 10, 15, 16, 3 18 18 – 3 = 15 Just subtract largest and smallest

12. Find the all four measures of central tendency below. 1, 1, 3, 7, 11, 13, 20 Mode 56  7 = 8 Median Mean 20 – 1 = 19 Practice Range

13. Bibliography Dr. Clark, This information was created from memory. No reference sources were needed.