Administering the Same Test to a Group of 15 Students

Multiple Choice

Administering the same test to a group of 15 students and a second group of 15 students to see which group scores higher is an example of:

A) a one sample test of means.
B) a two sample test of means.
C) a paired t-test.
D) a test of proportions.
E) None of these statements is correct.