In evaluating the credibility of a null hypothesis, it is standard to construct a single value derived from the sample which is known as the:
A) sample standard deviation.
B) alternative hypothesis.
C) test statistic.
D) random sample.

Question

Quizplus · Accepted Answer

The test statistic is a value that measures how far the observed data is from what would be expected under the null hypothesis. It is used to determine the probability of observing data as extreme or more extreme than what was observed, given that the null hypothesis is true. Therefore, the test statistic is a key factor in evaluating the credibility of the null hypothesis.

In Evaluating the Credibility of a Null Hypothesis, It Is