Compute and interpret r for the following data. (17 + 8 = 25 points) 20 50 60 Y 85 50 y Ky 20 100 30 90 40 85 3,400 1,600 7,225 50 60 60 50 SX = Sy = xy = (2 points) -6,500 r V44,500,000 (2 points) (2 points)