Question: The data from exercise 1 follow.

Xi 1 2 3 4 5

Yi 3 7 5 11 14

The estimate regression equation for these data is y= .20+2.60x

a. Compute SSE,SST, and SSR using equation(12.8), (12.9), and (12.10)

b. Compute the coefficient of determination r 2. Comments on the goodness of fit.

c. Compute the sample correlation coefficient.