A recent study by the American automobile dealers association revealed the mean amount of profit per car

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A recent study by the American automobile dealers association revealed the mean amount of profit per car sold for a sample of 20 dealers was $290, with a standard deviation of $125. Develop a 95 percent confidence interval for the population mean.

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Business Statistics A Decision Making Approach

ISBN: 9780133021844

9th Edition

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

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Question Posted: Feb 01, 2018 07:25 AM

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A recent study by the American automobile dealers association revealed the mean amount of profit per car

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Business Statistics A Decision Making Approach

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