A random sample of n = 15 observations was selected from a normal population. The sample mean

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A random sample of n = 15 observations was selected from a normal population. The sample mean and variance were = 3.91 and s2 = .3214. Find a 90% confidence interval for the population variance σ2.

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Introduction To Probability And Statistics

ISBN: 9781133103752

14th Edition

Authors: William Mendenhall, Robert Beaver, Barbara Beaver

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Question Posted: Apr 15, 2016 07:26 AM

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A random sample of n = 15 observations was selected from a normal population. The sample mean

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For this exercise s 2 3214 and n 15 A 90 confidence ...View the full answer

Introduction To Probability And Statistics

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