3. Regression: Consider following data. X 3 12 6 20 14 Y 55 40 55 10 15 The estimated regression equation for these data is yhat = 68 - 3x a. Compute SSE, SST, and SSR. b. Compute the coefficient of determination R square. Comment on the goodness of fit.

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3. Regression: Consider following data.
X
3
12 6
20 14
Y
55
40 55 10 15
The estimated regression equation for these data is yhat
= 68 - 3x
a. Compute SSE, SST, and SSR.
b. Compute the coefficient of determination R square.
Comment on the goodness of fit.
Transcribed Image Text:3. Regression: Consider following data. X 3 12 6 20 14 Y 55 40 55 10 15 The estimated regression equation for these data is yhat = 68 - 3x a. Compute SSE, SST, and SSR. b. Compute the coefficient of determination R square. Comment on the goodness of fit.
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