Table 5. ANOVA table for yield (quadratic model).
| Source | Sum of Squares | df | Mean square | F Value | P-value Prop>F | |
|---|---|---|---|---|---|---|
| Model | 3746.46 | 9 | 416.27 | 31.78 | 0.0002 | Significant |
| A-Temp | 49.04 | 1 | 49.04 | 3.74 | 0.1011 | |
| B-Time | 180.30 | 1 | 180.30 | 13.77 | 0.0100 | |
| C-pH | 3431.24 | 1 | 3431.24 | 261.99 | < 0.0001 | |
| AB | 1.59 | 1 | 1.59 | 0.1216 | 0.7392 | |
| AC | 15.43 | 1 | 15.43 | 1.18 | 0.3194 | |
| BC | 4.05 | 1 | 4.05 | 0.3090 | 0.5984 | |
| A2 | 19.52 | 1 | 19.52 | 1.49 | 0.2680 | |
| B2 | 5.93 | 1 | 5.93 | 0.4531 | 0.5259 | |
| C2 | 593.79 | 1 | 593.79 | 45.34 | 0.0005 | |
| Residual | 78.58 | 6 | 13.10 | |||
| Lack of Fit | 75.28 | 4 | 18.82 | 11.42 | 0.0821 | Not significant |
| Pure Error | 3.30 | 2 | 1.65 | |||
| Corrected Total | 3825.04 | 15 |
R2 = 0.97, Predicted R2 = 0.80, adjusted R2 = 0.948, adequate precision = 17.28