The t Test Jeremy plans to use a two-tailed t test to evaluate the results of his experiment.If he uses a one-tailed t test instead, the
A)computed value of t will be larger.
B)critical region will start farther from the mean.
C)critical value of t will be smaller.
D)significance level will be more extreme.

Question

Quizplus · Accepted Answer

The critical value of t will be smaller if Jeremy uses a one-tailed t test instead of a two-tailed t test. This is because the critical region is reduced when the test becomes one-tailed, making it easier to reject the null hypothesis.

The T Test Jeremy Plans to Use a Two-Tailed T