The procedure for testing significance of difference between two means from two different groups(either two different samples or two different groups in the same sample)is ________ the procedure used in testing two percentages.
A)different from
B)the opposite of
C)identical to
D)similar to

Question

Quizplus · Accepted Answer

The procedure for testing significance of difference between two means from two different groups is identical to the procedure used in testing two percentages because both procedures involve comparing the difference between two sample means to a critical value from a distribution.

The Procedure for Testing Significance of Difference Between Two Means