3. The math and stats final grades (out of 100) for 6 second year students are recorded in the following table. Student m LO CO Math grade 88 9 72 64 58 Stats grade 94 72 62 a) Find the correlation coefficient between math and stats grades. b) Find the required regression line that enables you to predict the stats grades of the students based on their math grades. c) What is your prediction for the stats grade of a students whose math grade is 75