A 95% confidence interval for a population mean was reported to be 152 to 160. If

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A 95% confidence interval for a population mean was reported to be 152 to 160.

If σ 15, what sample size was used in this study?

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Statistics For Business And Economics

ISBN: 9780324783247

11th Edition

Authors: Thomas A. Williams, Dennis J. Sweeney, David R. Anderson

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