Which of the following is the numerator of the test statistic for the related-samples t test?
A) the sum of the difference scores for each participant
B) the value of the test statistic plus the degrees of freedom
C) the mean difference observed minus the mean difference stated in a null hypothesis
D) estimated standard error for difference scores

Question

Quizplus · Accepted Answer

The numerator of the test statistic for the related-samples t test is calculated as the mean difference observed minus the mean difference stated in the null hypothesis. This measures how far the observed data deviates from what would be expected under the null hypothesis, and is used to determine the significance of the results. The other options are not directly related to the computation of the test statistic numerator.

Which of the Following Is the Numerator of the Test