The average age of freshman college students is 18.5 years, with a standard deviation of 0.4 years.

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a. Let x̅ denote the mean age of a random sample of n = 50 students. Determine the mean and standard deviation of the random variable x̅.

b. Repeat part (a) with n = 100 students.

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Introductory Statistics Exploring The World Through Data

ISBN: 9780321978271

2nd Edition

Authors: Robert Gould, Colleen Ryan

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Question Posted: Aug 05, 2013 04:15 AM

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The average age of freshman college students is 18.5 years, with a standard deviation of 0.4 years.

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Introductory Statistics Exploring The World Through Data

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