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Suppose a doctor measures the height, x, and head circumference, y, of 8 children and obtains the data below. The correlation coefficient is 0.799 and the least squares regression line is y = 0.145x + 13.367. Complete parts (a) through (c) below. Height, x 27.75 25.5 26.5 25.75 28 26.25 26.25 27 27 27 25 27.25 Head Circumference, y 17 3 17.2 17.1 17 0 17.5 17.1 17.2 173 17 4 173 173 (a) Compute the coefficient of determination, R R2 = % (Round to one decimal place as needed.) (b) Construct a residual plot to verify the requirements of the least-squares regression model. O A. O B. O C. OD. O 0.2 0.2- 02 Residual Height Height (inches) Residual 0 -0 2- 0.2- 0.21 25 29 25 29 125 29 25 29 Irces Height (inches) Height (inches) Residual Residual Click to select your answer(s). Tanla