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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Related Book For
Understanding Business Statistics
ISBN: 978-1118145258
1st edition
Authors: Stacey Jones, Tim Bergquist, Ned Freed
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