The comparison distribution for a t test for independent means is a:
A)distribution of differences between means
B)Z distribution (i.e., a normal curve)
C)distribution of difference scores
D)distribution of proportional variance scores

Question

Quizplus · Accepted Answer

The comparison distribution for a t test for independent means is a distribution of differences between means. This is because the t test is used to compare the means of two independent groups, so we need to compare the difference between those means in order to determine whether the difference is statistically significant.

The Comparison Distribution for a T Test for Independent Means