Suppose a random sample of 22 items produces a sample standard deviation of 16. a. Use the
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a. Use the sample results to develop a 90% confidence interval estimate for the population variance.
b. Use the sample results to develop a 95% confidence interval estimate for the population variance.
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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