x_{¹3 12 6 20 14}

_{y¹ 55 40 55 10 15}

_{The estimated regression equation for these data is Y = 68 - 3x}

_{A. compute SSE, SST, and SSR}

_{b. Compute the coefficient of determination r² . Comment on the goodness of fit}

_{c. Compute the sample correlation coefficient.}