A random sample of 41 observations from a normal population possessed a mean p = 88 and

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A random sample of 41 observations from a normal population possessed a mean p̂ = 88 and a standard deviation s = 6.9.
a. Test H0: σ2 = 30 against Ha: σ2 > 30. Use α = .05.
b. Test H0: σ2 = 30 against Ha: σ2 ≠ 30. Use α = .05.

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Statistics For Business And Economics

ISBN: 9780321826237

12th Edition

Authors: James T. McClave, P. George Benson, Terry T Sincich

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Question Posted: Apr 07, 2016 08:00 AM

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A random sample of 41 observations from a normal population possessed a mean p = 88 and

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a H 0 0 2 30 H a 0 2 30 The test statistic is The rejection region requires a 05 in the uppe...View the full answer

Statistics For Business And Economics

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