For each hypothesis, indicate which kind of t-test should be used. Hypothesis Appropriate Test a. People who enroll in statistics courses are happier, on average, than students who do not enroll in statistics. b. People watching scary movies will consume a different number of calories during the first 90 minutes of movie watching than those watching comedies. c. College freshman are less comfortable on campus than sophomores d. Daily consumption of soda (in ounces) will be lower in students after taking a nutrition class