Estimate for the population mean
A 98% confidence interval estimate for the population mean was calculated to be (26.4, 47.8). Find out the mean of the sample, which was employed to find out the interval estimate (show all work)
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Suppose that a sample is drawn and z(?/2) = 1.96 and ? = 15. Answer the following questions: If the Maximum Error of Estimate is 0.04 for this sample, what would be the sample size?
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