Author Question: In a study involving stress among college students, a group of seniors are asked to complete a ... (Read 127 times)

pane00 · **on:** Jun 20, 2018

In a study involving stress among college students, a group of seniors are asked to complete a stress survey. After a two-hour seminar on relaxation methods, they are asked to complete the stress survey again. The appropriate design for testing the significance of the difference between the means is

a. related-samples t-test.
b. independent-samples t-test.
c. one-sample t-test.
d. z-test.

Question 2

The freshmen competed with the sophomores to see who could raise the most money by recycling. Each freshman was paired with a sophomore of the same gender.The appropriate design for testing the significance of the difference between the means is

a. related-samples t-test.
b. independent-samples t-test.
c. one-sample t-test.
d. z-test.