A professor compares scores on a competency exam among students at two times during a single semester. What type of t test is most appropriate for this study?
a. one-sample t test
b. two-independent sample t test
c. related samples t test
d. There is not enough information to answer this question.
Answer: C
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.