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Variance analysis of regression equation.
| Source | Sum of squares | df | Mean square | F value | P value |
|---|---|---|---|---|---|
| Model | 45.84 | 9 | 5.09 | 12.36 | < 0.0001 |
| X 1 | 12.16 | 1 | 12.16 | 28.52 | 0.0001 |
| X 2 | 10.54 | 1 | 10.54 | 24.39 | 0.0003 |
| X 3 | 1.63 | 1 | 1.63 | 3.85 | 0.0657 |
| X 1 X 2 | 1.54 | 1 | 1.54 | 2.68 | 0.1428 |
| X 1 X 3 | 1.29 | 1 | 1.29 | 2.42 | 0.1587 |
| X 2 X 3 | 0.78 | 1 | 0.78 | 0.32 | 0.6934 |
| X 1 2 | 3.87E-04 | 1 | 3.87E-04 | 5.32E-04 | 0.9952 |
| X 2 2 | 0.34 | 1 | 0.34 | 0.25 | 0.7214 |
| X 3 2 | 7.12 | 1 | 7.12 | 15.21 | 0.0027 |
| Residual | 5.83 | 14 | 0.42 |
