The order of mean subtraction for the independent samples t-test is dependent on ______.
A) the phrasing of the research question
B) the direction of the critical value
C) the sign used in the hypotheses
D) all of these

Question

Quizplus · Accepted Answer

The order of mean subtraction for the independent samples t-test is dependent on all of these factors. The phrasing of the research question determines which group is being compared to which, the direction of the critical value determines whether the test is one-tailed or two-tailed, and the sign used in the hypotheses determines whether the test is one-sided or two-sided.

The Order of Mean Subtraction for the Independent Samples T-Test