2. The correlation coefficient r between the values assumed by two variables, X and Y is .75, the standard deviations of X and Y are S,=1.88 and Sy=2.45, respectively, and the point (13, 9) is on the line of best fit. b = y = a + bx A. Find the slope of the line of best fit to the raw-score scatterplot. (5 points) B. Find the equation of the line of best fit. (5 points) C. Find y given that . X = 12 (6 points)