A sample of n 5 36 scores is selected from a normal distribution with a mean of

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A sample of n 5 36 scores is selected from a normal distribution with a mean of m 5 65.

If the sample mean is M 5 59, then compute the z-score for the sample mean and determine whether the sample mean is a typical, representative value or an extreme value for each of the following:

a. A population standard deviation of s 5 12

b. A population standard deviation of s 5 30

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781337098120

9th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau, Lori Ann B. Forzano

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