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

Multiple Choice

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