28. The Presidents Kids The following table shows the names of the 44 presidents of the United...

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28. The President’s Kids The following table shows the names of the 44 presidents of the United States along with the number of their children

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a. Construct a relative frequency histogram to describe the data. How would you describe the shape of this distribution?

b. Calculate the mean and the standard deviation for the data set.

c. Construct the intervals x 6s, x 62s, and x 63s.
Find the percentage of measurements falling into these three intervals and compare with the corresponding percentages given by Tchebysheff’s Theorem and the Empirical Rule.

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Introduction To Probability And Statistics

ISBN: 9780357114469

15th Edition

Authors: William Mendenhall Iii , Robert Beaver , Barbara Beaver

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