Question 2:

Which of a one-sample, paired sample, or independent sample t-test is best for the following research questions? ( mark each)

a. You want to test if the average University of Winnipeg student gets a job paying $50,000 a year upon graduation.

b. You want to test if this class will obtain the same average grade in this course as the class from this time last year.

c. You match people on the severity of the illness to test the efficacy of a new medical vaccine.

d. You want to test if the average cost of a new textbook is $125.

e. You want to test if people who take courses online have the same grades as those who take them in-class.