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Analysis of variance (ANOVA) for the response surface of full quadratic model for optimization of two variables (A, pH; B, Temperature)
| Source | Sum of Square | Degree of freedom | Mean Square | F-value | P-value |
|---|---|---|---|---|---|
| A | 43.30 | 1 | 43.30 | 38.01 | 0.0021 |
| B | 56.28 | 1 | 56.28 | 51.34 | 0.0001 |
| AB | 5.65 | 1 | 5.65 | 5.16 | 0.0493 |
| A2 | 3.45 | 1 | 3.45 | 3.15 | 0.1096 |
| B2 | 84.01 | 1 | 84.01 | 76.64 | <0.0001 |
| Lack of fit | 0.0125 | 3 | 0.00291 | 1.809 | 0.37651 |
| Pure error | 0.041 | 2 | 0.096 | ||
| Total | 192.75 | 10 |
R2: 0.9411 Adjusted R2: 0.9083
