Simple random sampling was used to obtain a sample of n = 50 elements from a population

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Simple random sampling was used to obtain a sample of n = 50 elements from a population of N = 800. The sample mean was = 215, and the sample standard deviation was found to be s = 20.

a. Estimate the population mean.

b. Estimate the standard error of the mean.

c. Develop an approximate 95% confidence interval for the population mean.

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Statistics For Business & Economics

ISBN: 9781285846323

12th Edition

Authors: David Anderson, Dennis Sweeney, Thomas Williams, Jeffrey Camm, James Cochran

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Question Posted: Aug 02, 2016 09:58 AM

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Simple random sampling was used to obtain a sample of n = 50 elements from a population

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Statistics For Business & Economics

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