You Want to Demonstrate That a Sample of N =

question 42

Multiple Choice

You want to demonstrate that a sample of n = 36 has a lower mean than a population where  = 22. If x̄ = 25 and s = 8, what is the correct decision?

• A) Fail to reject the null.
• B) Reject the null.
• C) Fail to reject the alternative.
• D) Accept the alternative.