For a population with = 12, how large a sample is necessary to have a standard

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For a population with σ = 12, how large a sample is necessary to have a standard error that is:
a. less than 4 points?
b. less than 3 points?
c. less than 2 point?

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Essentials Of Statistics For The Behavioral Sciences

ISBN: 9781133956570

8th Edition

Authors: Frederick J Gravetter, Larry B. Wallnau

Question Posted: Sep 22, 2015 08:54 AM

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For a population with = 12, how large a sample is necessary to have a standard

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