3) In a large introductory sociology course, a professor gives two exams. The professor wants to determine whether the scores students receive on the second exam are correlated with their scores on the first exam. To make the calculations easier, a sample of eight students is selected. Their scores are shown in the table below. Student Exam 1 Exam 2 60 60 N 75 100 3 70 80 4 72 68 54 73 6 83 97 80 85 8 65 90 a) Can you claim that a linear relationship exists between scores on the two exams? b) How well does the relationship account for the scores on exam 2