When a one-tailed test is employed (rather than a two-tailed test),
A) t must be numerically larger to result in rejection of the null hypothesis
B) a less discrepant value of $\overline{X}$ may result in rejection of the null hypothesis
C) the level of significance should be changed
D) n should be inversed

Question

Quizplus · Accepted Answer

In a one-tailed test, the critical region is only on one side of the distribution, allowing for rejection of the null hypothesis with a less extreme test statistic compared to a two-tailed test.

When a One-Tailed Test Is Employed (Rather Than a Two-Tailed X‾\overline{X}X

When a One-Tailed Test Is Employed (Rather Than a Two-Tailed $\overline{X}$