1. Day 6 Histograms.notebook March 13, 2013
AIM: Histograms
Do Now
Find the mean, median, mode, and range of
the following data set.
20, 18, 15, 3, 10, 20, 19, 17, 9, 17, 18, 5,
13, 18, 15
Mean = ____
Median = _____
Mode = _____
Range = ______
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5. Day 6 Histograms.notebook March 13, 2013
Anticipatory Set: Answer the questions based on the histogram below
1.) What information is displayed in the graph?
2.) What does each bar represent?
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6. Day 6 Histograms.notebook March 13, 2013
Anticipatory Set: Mr. Snowden ordered the grades his students
earned on a test. Using these numbers, he created a histogram by
grouping the grades into 60’s, 70’s, 80’s, and 90’s.
67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92
Answer the questions below the graph based on the data.
1.) What does each bar represent?
2.) How many students earned a grade between 80 and 100?
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7. Day 6 Histograms.notebook March 13, 2013
Anticipatory Set: Mr. Snowden ordered the grades his students
earned on a test. Using these numbers, he created a histogram by
grouping the grades into 60’s, 70’s, 80’s, and 90’s.
67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92
Answer the questions below the graph based on the data.
1.) What does each bar represent?
2.) How many students earned a grade between 80 and 100?
7
8. Day 6 Histograms.notebook March 13, 2013
Anticipatory Set: Mr. Snowden ordered the grades his students
earned on a test. Using these numbers, he created a histogram by
grouping the grades into 60’s, 70’s, 80’s, and 90’s.
67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92
Answer the questions below the graph based on the data.
1.) What does each bar represent?
2.) How many students earned a grade between 80 and 100?
8
9. Day 6 Histograms.notebook March 13, 2013
Anticipatory Set: Mr. Snowden ordered the grades his students
earned on a test. Using these numbers, he created a histogram by
grouping the grades into 60’s, 70’s, 80’s, and 90’s.
67 71 75 75 76 78 79 80 80 80 81 83 84 84 85 85 85 85 88 92
Answer the questions below the graph based on the data.
1.) What does each bar represent?
2.) How many students earned a grade between 80 and 100?
9
10. Day 6 Histograms.notebook March 13, 2013
Jill makes 15 phone calls, below is a list of how many minutes
each phone call lasted.
20, 18, 15, 3, 10, 20, 19, 17, 9, 17, 18, 5, 13, 18, 15
1.) Create a dot plot to display the data.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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11. Day 6 Histograms.notebook March 13, 2013
2.) Create a histogram to display the ranges of call time
lengths.
Be sure to: Title the graph and label the x and y axis.
y
x
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12. Day 6 Histograms.notebook March 13, 2013
3.) Create a box plot to display the data.
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
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13. Day 6 Histograms.notebook March 13, 2013
4.) Find the mean of the data.
5.) Find the Mean Absolute Deviation of the data.
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14. Day 6 Histograms.notebook March 13, 2013
Before You Leave
1.) How are dot plots, box plots, and
histograms similar?
2.) How are dot plots, box plots, and
histograms different?
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