You want to demonstrate that a sample of n = 36 has a lower mean than a population where $\mu$= 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.

Question

Quizplus · Accepted Answer

The sample mean (x̄ = 25) is higher than the population mean (μ = 22), so there is no evidence to suggest the sample mean is lower. Therefore, we fail to reject the null hypothesis.

You Want to Demonstrate That a Sample of N = μ\muμ

You Want to Demonstrate That a Sample of N = $\mu$