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

Question 19

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

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