What does the significance level (alpha level) protect against doing incorrectly?
A) Rejecting the alternative hypothesis
B) Rejecting the null hypothesis
C) Failing to reject the null hypothesis
D) Either rejecting or failing to reject the null hypothesis

Question

Quizplus · Accepted Answer

The significance level (alpha level) is the threshold below which we reject the null hypothesis. Therefore, a lower alpha level makes it less likely to mistakenly reject the null hypothesis. It does not protect against failing to reject the null hypothesis or incorrectly rejecting the alternative hypothesis.

What Does the Significance Level (Alpha Level) Protect Against Doing