Simple random sampling was used to obtain a sample of n = 80 elements from a population

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Simple random sampling was used to obtain a sample of n = 80 elements from a population of N = 400. The sample mean was = 75, and the sample standard deviation was found to be s = 8.

a. Estimate the population total.

b. Estimate the standard error of the population total.

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

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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 09:59 AM

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Simple random sampling was used to obtain a sample of n = 80 elements from a population

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