The serum cholesterol levels of 50 subjects randomly selected from the L.A. Heart Data, data from an

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The serum cholesterol levels of 50 subjects randomly selected from the L.A. Heart Data, data from an epidemiological heart disease study on Los Angeles County employees, follow.
The serum cholesterol levels of 50 subjects randomly selected from

a. Construct a histogram for the data. Are the data approximately mound-shaped?
b. Use a t-distribution to construct a 95% confidence interval for the average serum cholesterol levels for L.A. County employees.

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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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