Roger spent 45 minutes studying for the test. assuming the trend that exists in the data set below applies to roger as well, approximately which grade should roger expect to receive on the test? time spent studying (minutes) grade on test (%) 0 28 0 54 30 45 30 39 30 63 60 53 60 75 90 85 90 78 120 92 120 100 120 98 120 89 180 99 180 95 a. 22% b. 12% c. 60% d. 82%