A random sample of 40 college professors is selected from all professors at a

Chapter 12, Problem 31

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A random sample of 40 college professors is selected from all professors at a university. The following list gives their ages: 63, 48, 42, 42, 38, 59, 41, 44, 45, 28, 54, 62, 51, 44, 63, 66, 59, 46, 51, 28, 37, 66, 42, 40, 30, 31, 48, 32, 29, 42, 63, 37, 36, 47, 25, 34, 49, 30, 35, 50. Construct a stem-and-leaf plot for the data. What does the shape of the display reveal about the ages of the professors?

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