Given are five observations for two variables, x and y. xi 1 4 11 15 20...

Given are five observations for two variables, x and y.

x_i	1	4	11	15	20
y_i	52	57	48	16	10

a. Compute SSE, SST, and SSR.

SSE [     ] (to 2 decimals)
SST [     ] (to 2 decimals)
SSR [     ] (to 2 decimals)

b. Compute the coefficient of determination r². Comment on the goodness of fit.
[ ] (to 3 decimals)
The least squares line provided an [good,bad] fit; [ ]% of the variability in y has been explained by the estimated regression equation (to 1 decimal).

c. Compute the sample correlation coefficient. Enter negative value as negative number.
[ ] (to 3 decimals)

Solutions

Expert Solution

orchestra answered 1 year ago

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