CHOOSING t-TESTS Indicate which type of t-test would be appropriate in each of the following examples: Independent (I) or Related (R) samples t-test and provide a brief explanation why you chose the t-test you did for each example. 1. _______Compare the SAT scores of male and female engineering students. 2. _______Measure the effect of a time-management seminar on faculty members' productivity as compared with the productivity of other faculty members who did not attend the seminar. 3. _______Compare the difference in faculty members' productivity before and after attending a time- management seminar. 4. _______Measure the effects of a computer-assisted instruction program on the math scores of elementary school students; experimental and control students are matched on IQ. 5. _______Compare the average gas mileage of a car at 55 mph with its average gas mileage at 70 mph. 6. _______Use kitten litter mates to test time spent with two different kinds of plastic toy. 7. _______Choose 36 undergraduates at random and divide them into two equal groups. Determine if IQ is different for the two groups. 8. _______Match basketball players with respect to general athletic ability in order to test different kinds of athletic shoes.