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, sX = 2.3166, y = 3.7833, 5y = 1.9651, and r= - 0.9585, determine the least-squares regression line. (0) Graph the least-squares regression line on the scatter diagram drawn in part (a). x 1 1 4 5 6 6 a y 5.3 6.6 4.4 2.7 1.7 2.0 (5) Choose the oorrect graph below. A. B. c. No 7 y . Q 7Ay Q 7Ay J Q 7AY . q . Q - a . , ' [43 ' 12' r.- o x o " X o X o o e o e o 6 o There appears to be a linear, negative relationship. (b) i = x + (Round to three decimal places as needed.)