When performing a hypothesis test upon two dependent samples, the variable of interest is
A) the differences that exist between the matched-pair data.
B) all of the combined data.
C) the absolute value of the differences that exist between the matched-pair data.
D) the data that is the same in both samples.

Question

Quizplus · Accepted Answer

The variable of interest in a hypothesis test for two dependent samples is the differences between the matched-pair data. This approach is used because the test focuses on whether the mean difference between the paired observations is significantly different from zero, indicating a systematic change.

When Performing a Hypothesis Test Upon Two Dependent Samples, the Variable