Hello, here is a question for Probability and Statistics. Please show the solution with full explanation. Thank you

6. A law school administrator was interested in whether a student's score on the entrance exam can he used to predict a students grade point average (GPA) after one year of law school. The administrator took a random sample of 15 students and computed the following summary information, where a = entrance exam score and y = GPA after one year: a = 15, Zr, = 1222, Zy, = 42.52, 22,32, = 42213.2, 5, = 5.2214, 311 = \"-4235 a) Find the correlation between the entrance exam score and the grade point average after one year of law school. Round your answer to three decimal places. 1:} Find the best-tting line relating grade point average after one year of law school and score on the entrance exam. Round the numerical values to four decimal places