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Variance analysis of regression equation.
| Source | Sum of squares | df | Mean square | F value | P value |
|---|---|---|---|---|---|
| Model | 42.21 | 9 | 4.69 | 14.67 | < 0.0001 |
| X 1 | 9.54 | 1 | 9.54 | 28.54 | 0.0001 |
| X 2 | 0.02 | 1 | 0.02 | 0.07 | 0.8415 |
| X 3 | 23.62 | 1 | 23.62 | 72.34 | < 0.0001 |
| X 1 X 2 | 0.51 | 1 | 0.51 | 1.35 | 0.2847 |
| X 1 X 3 | 3.47 | 1 | 3.47 | 11.51 | 0.0046 |
| X 2 X 3 | 2.41E-03 | 1 | 2.41E-03 | 7.85E-03 | 0.9415 |
| X 1 2 | 0.78 | 1 | 0.78 | 3.27 | 0.2347 |
| X 2 2 | 6.28 | 1 | 6.28 | 1.85E + 01 | 0.0009 |
| X 3 2 | 0.29 | 1 | 0.29 | 1.21 | 0.4215 |
| Residual | 4.51 | 14 | 0.32 |
