A Sample of N = 25 Individuals Is Selected from a Population

question 70

Multiple Choice

A sample of n = 25 individuals is selected from a population with µ = 80,and a treatment is administered to the sample.What is expected if the treatment has no effect?

• A)The sample mean after the treatment should be very different from 80 and should lead you to reject the null hypothesis.
• B)The sample mean after the treatment should be very different from 80 and should lead you to fail to reject the null hypothesis.
• C)The sample mean after the treatment should be close to 80 and should lead you to reject the null hypothesis.
• D)The sample mean after the treatment should be close 80 and should lead you to fail to reject the null hypothesis.

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