The test statistic (TS) is:
A) the value of the null hypothesis that is being tested.
B) a rule related to the null hypothesis that is used to determine whether H₀ or Ha is more likely to be true.
C) a sample characteristic that is used to prove the null hypothesis true.
D) a rule based on statistical modeling that will demonstrate the truth of H₀.

Question

Quizplus · Accepted Answer

The test statistic is a value calculated from sample data that is used in a hypothesis test. It is used to determine whether to reject the null hypothesis in favor of the alternative hypothesis, making choice B the correct answer. It is not the value of the null hypothesis itself, nor is it used to prove the null hypothesis true or to demonstrate its truth directly.

The Test Statistic (TS) Is