When using inference regarding two population means for "matched samples," the following values were found for d = Score After - Score Before: 2, -4, 1, 2, -1
The test statistics for this situation is
A) 0
B) 1
C) Since the confidence level is not known, it cannot be answered.
D) Not enough information is given to answer this question.

Question

Quizplus · Accepted Answer

The test statistic for matched samples is the mean of the differences between the two scores for each subject. In this case, the mean of the differences is 0, so the test statistic is 0.

When Using Inference Regarding Two Population Means for "Matched Samples