If the decision from a hypothesis test is to reject the null hypothesis when in reality the null hypothesis is true, the test has:
A) made a correct decision.
B) made a type I error.
C) made a type II error.
D) proved Ha true.

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis when it is actually true is a Type I error, which is the error of concluding that there is a significant difference or effect when there really isn't one.

If the Decision from a Hypothesis Test Is to Reject