A data set is given below. K (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 = 2.4014, y = 3.9167, s = 1.8324, and r = - 0.9446, determine the least-squares regression line. (c) Graph the least-squares regression line on the scatter diagram drawn in part (a). X 0 2 4 5 6 6 6.0 5.9 4.6 2.9 1.9 2.2 . . . (a) Choose the correct graph below. O A . O B. O c. OD. Ay 6-7 Q Q X X