You complete a hypothesis test using α = .05,and based on the evidence from the sample,your decision is to fail to reject the null hypothesis.If the treatment actually does have an effect,which of the following is true?
A)You have made a Type I error.
B)You have made a Type II error.
C)You might have made a Type I error, but the probability is only 5% at most.
D)You have made the correct decision.

Question

Quizplus · Accepted Answer

Failing to reject the null hypothesis when the treatment actually has an effect indicates a Type II error, which occurs when the null hypothesis is incorrectly not rejected.

You Complete a Hypothesis Test Using α =