a. The mean and standard deviation of a sample of 100 is x = 1500 and s

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a. The mean and standard deviation of a sample of 100 is x̄ = 1500 and s = 300. Estimate the population mean with 95% confidence.

b. Repeat part (a) with s = 200.

c. Repeat part (a) with s = 100.

d. Discuss the effect on the confidence interval estimate of decreasing the standard deviation s.

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Statistics For Management And Economics Abbreviated

ISBN: 9781285869643

10th Edition

Authors: Gerald Keller

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Question Posted: Feb 03, 2015 09:17 AM

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a. The mean and standard deviation of a sample of 100 is x = 1500 and s

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Statistics For Management And Economics Abbreviated

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