Stem and leaf
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1. The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample:
71 86 63 46 70 63 49 63 81 71
63 59 45 63 70 64
Construct a stem and leaf plot of the data.
2. Below are the home states of 16 college professors..
Florida Indiana Pennsylvania Arizona Georgia
Florida Tennessee Texas Kansas Arizona
Texas Florida Tennessee Arizona Texas
Indiana
i. Make a frequency table using these 8 states:
Arizona
Florida
Georgia
Indiana
Kansas
Pennsylvania
Tennessee
Texas
ii. What is (are) the mode(s)?
iii. Does it make sense to talk about the average for this data? Why or why not?
iv. Using your frequency table draw a pie chart to display the distribution of home states by filling in the following table:
Home State Frequency Percentage of total Measure of Central Angle (in degrees)
Arizona
Florida
Georgia
Indiana
Pennsylvania
Tennessee
Texas
3. Given the histogram below, create a grouped frequency distribution.
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Solution Summary
Histogram and stem and leaf plot for Sunny Fresh Dry Cleaners data is examined. The expert gives the frequency distribution and histogram for 8 home states of college professors.
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1. The number of dry cleaning orders picked up at Sunny Fresh Dry Cleaners was sampled over 12 hour periods. Below is the sample:
71 86 63 46 70 63 49 63 81 71
63 59 45 63 70 64
Construct a stem and leaf plot of the data.
Stem and Leaf plot for Orders
stem unit = 10
leaf unit = 1
Frequency Stem Leaf
3 4 5 6 9
1 5 9
6 6 3 3 3 3 3 4
4 7 0 0 1 1
2 8 1 6
16
2. Below are ...
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