With very few degrees of freedom, the test statistic:
A) becomes more reliable.
B) should be a z test rather than a t test.
C) needs to be more extreme to reject the null hypothesis.
D) needs to be less extreme to reject the null hypothesis.

Question

Quizplus · Accepted Answer

With very few degrees of freedom, the distribution of the t statistic becomes more spread out, making it harder to reject the null hypothesis. Therefore, a more extreme t statistic is needed to reject the null hypothesis.

With Very Few Degrees of Freedom, the Test Statistic