Question: A sample is selected from a population and a treatment is administered to the sample. If there is a 2-point difference between the sample mean

A sample is selected from a population and a treatment is administered to the sample. If there is a 2-point difference between the sample mean and the original population mean, which set of sample characteristics has the greatest likelihood of rejecting the null hypothesis?

a. s2 = 12 for a sample with n = 25

b. s2 = 12 for a sample with n = 9

c. s2 = 32 for a sample with n = 25

d. s2 = 32 for a sample with n = 9

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