If alpha is changed from .05 to .01, then the probability of a Type I error.
A)increases
B)remains unchanged
C)decreases
D)increases or decreases depending on the size of the sample

Question

Quizplus · Accepted Answer

Decreases. When alpha is changed from .05 to .01, the significance level is becoming more strict, which means that the probability of rejecting the null hypothesis when it is actually true (Type I error) decreases.

If Alpha Is Changed from