Suppose a doctor measures the height, x, and head circumference, y, of 11 children and obtains the data below. The correlation coefficient 0.844 and the least squares regression line is y = 0.122x + 14.043. Complete parts (a) and (b) below. Height, x Head Circumference, y 17.3 17.1 17.3 17.1 17.5 17.4 17.1 17.4 17.3 17.3 17.3 27.5 25 26 25.25 27.75 26.5 25.75 27.25 26.75 26.75 27.25 ...... (a) Compute the coefficient of determination, R2.

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