What is the percentage of variability in exam 3 that we can account for with exam 1 scores A. 3.1%B. 44.57%C. 18%D. 42.4% If you scored 86 on exam 1, what would you expect to score on exam 3? A. 88B. 81C. 87D. 91

An instructor at UNLV wanted to see if students' scores on Exam 1 could be used to predict their scores on Exam 3. The instructor hypothesized that students who scored high on Exam 1 would also score high on Exam 3 and vice versa. Student Exam 1 Exam 3 97 87 97 73 90 80 93 77 100 98 65 72 WNH OOOO Va UAW NH 85 72 90 93 92 97 97 93 62 77 95 75 97 93 14 100 93 15 95 67 16 85 17 98 90 18 99 87 19 97 70 20 98 98