Alpha is __________.
A)the level of significance.
B)the probability of obtaining data assuming the null is true.
C)the probability of obtaining data assuming the null is false.
D)Both A and B.

Question

Quizplus · Accepted Answer

Alpha is the level of significance, which is the threshold for rejecting the null hypothesis. It also represents the probability of rejecting the null hypothesis given that it is actually true, thus leading to a Type I error. Therefore, both A and B are correct descriptions of alpha.

Alpha Is __________