A data set is given below. (a) Draw a scatter diagram. Comment on the type of relation that appears to exist between x and y. (b) Given that x = 3.8333, s, = 2.3166, y =4.1000, s = 1.7041, and r= -0.9322, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). X 1 1 4 5 6 6 y 5.2 6.6 4.8 3.1 2.2 2.7 (a) Choose the correct graph below. O A. O B. O C. OD. Ay + Ay Ay 7- X X X O- O