Suppose a study estimated the population mean for a variable of interest using a 99% confidence interval.

Question:

If the width of the estimated confidence interval (the difference between the upper limit and the lower limit)

is 600 and the sample size used in estimating the mean is 1,000, what is the population standard deviation?

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Business Statistics A Decision Making Approach

ISBN: 9780136121015

8th Edition

Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry, Kent D. Smith

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Question Posted: Sep 21, 2024 10:03 AM

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Suppose a study estimated the population mean for a variable of interest using a 99% confidence interval.

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Business Statistics A Decision Making Approach

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