In a test of hypotheses, the null hypothesis is that the mean is 100 and the alternate hypothesis is that the mean is greater than 100. The power of the test when the mean is 101 would be greatest for which of the following choices of sample size n and significance level α?
a) n=10, α=0.05
b) n=10, α=0.01
C) n=20, α=0.05
d) n=20, α=0.01
e) It cannot be determined from the information given
1 answer
Could you explain why the answer is a?
1 answer