Thursday

April 24, 2014

April 24, 2014

Posted by **Sharon** on Thursday, January 26, 2012 at 10:04pm.

a. How large a sample is necessary for this sample mean to be statistically significant? Assume a two tailed test with _ = .05

b. If the sample mean were M _ 41, what sample size is needed to be significant for a two-tailed test with _ = .05.

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