a. Estimate the population mean with 90% confidence given the following: x = 175, s = 30

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a. Estimate the population mean with 90% confidence given the following: x̄ = 175, s = 30 and n = 5.

b. Repeat part (a) assuming that you know that the population standard deviation is σ = 30.

c. Explain why the interval Estimate produced in part (b) is narrower than that in part (a).

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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. Estimate the population mean with 90% confidence given the following: x = 175, s = 30

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a 175 2132305 175 2860 LCL 14640 UCL 2036...View the full answer

Statistics For Management And Economics Abbreviated

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