A random sample of 80 observations from a population with population mean 198 and population standard deviation

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A random sample of 80 observations from a population with population mean 198 and population standard deviation of 15 yielded a sample mean of 190.

a. Construct a hypothesis test with the alternative hypothesis that m 6 198 at 1% significance level. Interpret your results.

b. Construct a hypothesis test with the alternative hypothesis that m ≠ 198 at 1% significance level. Interpret your results.

c. State the Type I error you might make in parts a and b.

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Statistics For Business And Economics

ISBN: 9781292413396

14th Global Edition

Authors: James McClave, P. Benson, Terry Sincich

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Question Posted: Jul 19, 2024 06:01 PM

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A random sample of 80 observations from a population with population mean 198 and population standard deviation

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Statistics For Business And Economics

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