A random sample of 20 statistics students was given 15 multiple-choice questions and 15 open- ended questions-all on the same material. The professor was interested in determining which type of questions the students scored higher. This experiment 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 are correct

Question

Quizplus · Accepted Answer

This is a paired t-test because the same group of students is being tested under two different conditions (multiple-choice vs. open-ended questions), and the professor is interested in comparing the scores of these paired observations.

A Random Sample of 20 Statistics Students Was Given 15