A sample of n = 25 individuals is selected from a population with ? = 80 and a treatment is administered to the sample. If the treatment has no effect, then the sample mean should be one of the...

A sample of n = 25 individuals is selected from a population with ? = 80 and a treatment is administered to the sample. If the treatment has no effect, then the sample mean should be one of the following.

A. very different from 80 and should lead you to reject the null hypothesis

B. close to 80 and should lead you to fail to reject the null hypothesis

C. very different from 80 and should lead you to fail to reject the null hypothesis

D. close to 80 and should lead you to reject the null hypothesis

Extracted text: A sample of n = 25 individuals is selected from a population with µ = 80 and a treatment is administered to the sample. If the treatment has no effect, then the sample mean should be one of the following. O very different from 80 and should lead you to reject the null hypothesis O close to 80 and should lead you to fail to reject the null hypothesis O very different from 80 and should lead you to fail to reject the null hypothesis close to 80 and should lead you to reject the null hypothesis