[Step-by-Step] We repeat the data and provide the regression equations. Do the following. Compute the three sums of squares, SST, SSR, and SSE. Verify the
Question: We repeat the data and provide the regression equations. Do the following.
- Compute the three sums of squares, SST, SSR, and SSE.
- Verify the regression identity, SST =SSR+SSE.
- Compute the coefficient of determination.
- Determine the percentage of variation in the observed values of the response variable that is explained by the regression.
- State how useful the regression equation appears to be for making predications. (Answers for this part may vary, owing to differing interpretations.)
X | Y |
1 | 1 |
1 | 3 |
5 | 2 |
5 | 4 |
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