Given are five observations for two variables, x and y.
x
1
2
3
4
5
y
3
7
7
10
15
The estimated regression equation for these data is y = 0.3 + 2.7x.
a. Compute SSE, SST, and SSR using the following equations (to 1 decimal).
SSE
SST
SSR
b. Compute the coefficient of determination r^2 (to 3 decimals).
Does this least squares line provide a good fit?
- Select your answer -
Yes, the least squares line provides a very good fit
No, the least squares line does not produce much of a fit
c. Compute the sample correlation coefficient (to 4 decimals).