A random sample of n = 25 observations from a normal population produced a sample variance equal

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A random sample of n = 25 observations from a normal population produced a sample variance equal to 21.4. Do these data provide sufficient evidence to indicate that σ2 > 15? Test using α = .05.

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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 = 25 observations from a normal population produced a sample variance equal

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It is necessary to test H a 2 15 versus H a 2 15 This will be done using s 2 the sample va...View the full answer

Introduction To Probability And Statistics

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