In a two-tail test for the population mean,if the null hypothesis is rejected when the alternative hypothesis is true then:
A) a Type I error is committed.
B) a Type II error is committed.
C) a correct decision is made.
D) a one-tail test should be used instead of a two-tail test.

Question

Quizplus · Accepted Answer

Rejecting the null hypothesis when the alternative hypothesis is true is the correct decision in hypothesis testing, indicating that the evidence supports the alternative hypothesis.

In a Two-Tail Test for the Population Mean,if the Null