The normal range for a widely accepted measure of body size, the body mass index (BMI), ranges

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The normal range for a widely accepted measure of body size, the body mass index (BMI), ranges from 18.5 to 25. Using the mid-range BMI score of 21.75 as the null hypothesized value for the population mean, test this hypothesis at the .01 level of significance given a random sample of 30 weight-watcher participants who show a mean BMI 5 22.2 and a standard deviation of 3.1.
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Statistics

ISBN: 9781118450536

10th Edition

Authors: Robert S. Witte, John S. Witte

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