Refer to Exercise 59. Suppose the sample size had been only 12 instead of 100. Suppose, too,

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Refer to Exercise 59. Suppose the sample size had been only 12 instead of 100. Suppose, too, that the population standard deviation is unknown, but the sample standard deviation is 83 points.

a. Show the 95% confidence interval that would be appropriate here.

b. What additional assumption about the population would have to be made?

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Understanding Business Statistics

ISBN: 978-1118145258

1st edition

Authors: Stacey Jones, Tim Bergquist, Ned Freed

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Question Posted: Jul 16, 2015 05:12 PM

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Refer to Exercise 59. Suppose the sample size had been only 12 instead of 100. Suppose, too,

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