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 = 3.5000, Sx = 2.2583, y= 4.2000, sy = 1.6407, 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). 5.1 6.4 5.2 3.7 2.2 2.6 (a) Choose the correct graph below. O A. O B. OC. OD. 71y There appears to be relationship. (bly = [x+ (0 (Round to three decimal places as needed.) (c) Choose the correct graph below. O A. O B. O C. OD. 71y