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Steam-and-Leaf and Dot Plots

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I need help understanding a problem.
Following are the ages when the 43 U.S. president began their terms in office.
57 61 57 57 58 57 61 54 68 51 49 64 50 48 65 52 56 46 54 49 50 47
55 55 54 42 51 56 55 51 54 51 60 62 43 55 56 61 52 69 65 46 54

1. Organize the data into a stem-and-leaf chart.
2. Also construct a dot plot.
3. Determine a typical age at the time of inauguration.
4. Comment on the variation in age.

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Solution Summary

This solution addresses descriptive statistics and creates a stem-and-lead chart as well as a dot plot of the ages of the U.S. Presidents. It identifies the average age at time of inauguration and also the variation in age.

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