A two-tailed test is a
A)hypothesis test in which rejection region is in both tails of the sampling distribution
B)hypothesis test in which rejection region is in one tail of the sampling distribution
C)hypothesis test in which rejection region is only in the lower tail of the sampling distribution
D)hypothesis test in which rejection region is only in the upper tail of the sampling distribution

Question

Quizplus · Accepted Answer

In a two-tailed test, the null hypothesis is rejected if the sample mean is either significantly greater or significantly less than the hypothesized population mean. Thus, the rejection region is in both tails of the sampling distribution.

A Two-Tailed Test Is a