Rejecting the null hypothesis when it is true is called a _____ error, whereas not rejecting a false null hypothesis when it is false is called a(n) _____ error.
A)beta; alpha
B)Type I; Type II
C)minor; major
D)significant; insignificant

Question

Quizplus · Accepted Answer

The rejection of the null hypothesis when it is actually true is known as Type I error or alpha error, whereas the failure to reject a false null hypothesis is known as Type II error or beta error. Hence, option B - Type I; Type II - correctly represents the two types of errors. Option A is incorrect as it mentions beta and alpha, but reverses their definitions. Option C and D are incorrect as they do not accurately describe the types of errors.

Rejecting the Null Hypothesis When It Is True Is Called