16. The data from exercise 2 follow. x i XXXXXXXXXX y i XXXXXXXXXX The estimated regression equation for these data is y ˆ = 68 - 3 x . a. Compute SSE, SST, and SSR. b. Compute the coefficient of...

16. The data from exercise 2 follow.
x i	3 12 6 20 14
y i	55 40 55 10 15

The estimated regression equation for these data is
yˆ = 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.

May 14, 2022

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