The table below shows the names of the 43 presidents of the United States along with the
Question:
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 ± s, ± 2s, and ± 3s.
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.
Transcribed Image Text:
Washington 0Van Buren 4 Adams Jefferson 6 Madison 0 Monroe2 J.Q. Adams 4 Jackson 0 Buchanan 0 Lincoln 4 A. Johnson 5 Grant Hayes W.H. Harrison 10 Tyler Polk 15 Pierce Nixon Ford Cleveland 5 B. Harrison 3 McKinley 2 T. Roosevelt 6 Taft Wilson3 Harding 0 Coolidge 2 Hoover F.D. Roosevelt 6 Truman Eisenhower 2 Kennedy3 L.B. Johnson 2 Reagan 4 G.H.W. Bush 6 Clinton G.W. Bush 2 Obama
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Related Book For
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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