8. If the population standard deviation is 8, how large a sample is necessary to have...

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8. If the population standard deviation is  8, how large a sample is necessary to have a standard error that is

a. less than 4 points?

b. less than 2 points?

c. less than 1 point?

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9780495812203

7th Edition

Authors: Frederick J. Gravetter, Larry B. Wallnau

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