A simple random sample of size n = 40 is drawn from a population. The sample mean is
Chapter 10, Problem 7(choose chapter or problem)
A simple random sample of size n = 40 is drawn from a population. The sample mean is found to be 108.5, and the sample standard deviation is found to be 17.9. Is the population mean greater than 100 at the a = 0.05 level of significance?
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