If we reject a null hypothesis of "no difference" at the 0.05 level________.
A) the odds are 20 to 1 in our favor that we have made a correct decision
B) the null hypothesis is true.
C) the odds are 5 to 1 in our favor that we have made a correct decision.
D) the research hypothesis is true.

Question

Quizplus · Accepted Answer

Rejecting a null hypothesis at the 0.05 level means there is a 5% chance of incorrectly rejecting a true null hypothesis (Type I error), which corresponds to odds of 20 to 1 against making such an error.

If We Reject a Null Hypothesis of "No Difference" at the 0.05