For a population with a standard deviation of = 20, how large a sample is necessary
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For a population with a standard deviation of σ = 20, how large a sample is necessary to have a standard error that is:
a. Less than or equal to 5 points?
b. Less than or equal to 2 points?
c. Less than or equal to 1 point?
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Related Book For
Statistics For The Behavioral Sciences
ISBN: 9781111830991
9th Edition
Authors: Frederick J Gravetter, Larry B. Wallnau
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