| Source | DF | Seq SS | Adj SS | Adj MS | F | P |
| Regression | 4 | 72999.4 | 72999.4 | 5214.2 | 19.51 | 0.000 |
| Linear | 4 | 15241.7 | 4271.3 | 1067.8 | 3.99 | 0.028 |
| Square | 4 | 45364.5 | 45364.5 | 11341.1 | 42.43 | 0.000 |
| Interaction | 6 | 12393.1 | 12393.1 | 2065.5 | 7.73 | 0.001 |
| Residual Error | 12 | 3207.8 | 3207.8 | 267.3 |
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| Lack-of-Fit | 10 | 2998.3 | 2998.3 | 299.8 | 2.86 | 0.287 |
| Pure Error | 2 | 209.5 | 209.5 | 104.7 |
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| Total | 26 | 76207.2 |
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