9. Given the set of paired X and Y scores, X 7 10 9 13 7 11 13 Y 1 2 4 3 3 4 5 x y Xy X2 7 1 7 49 10 2 20 100 9 4 36 81 13 3 39 169 7 3 21 49 11 4 44 121 13 5 65 169 Totals 70 22 232 738 a.Construct a scatter plot of the paired scores. Does the relationship appear linear? b. Determine the least-squares regression line for predicting Y given X. c. Draw the regression line on the scatter plot. d. Using the relationship between X and Y, what value would you predict for Y if X _ 12? (Round to two decimal places.)