ANOVA analysis and statistical parameters of the model.
| Source | Sum of squares | df | Mean square | F value | Prob > F |
|---|---|---|---|---|---|
| Model | 119.03 | 9 | 13.23 | 101.15 | <0.0001 |
| A-stirring speed | 6.53 | 1 | 6.53 | 49.97 | 0.0002 |
| B-dynamic extraction time | 15.04 | 1 | 15.04 | 115.05 | <0.0001 |
| C-temperature | 77.88 | 1 | 77.88 | 595.61 | <0.0001 |
| AB | 0.21 | 1 | 0.21 | 1.58 | 0.2486 |
| AC | 0.23 | 1 | 0.23 | 1.76 | 0.2260 |
| BC | 0.71 | 1 | 0.71 | 5.40 | 0.0532 |
| A 2 | 1.66 | 1 | 1.66 | 12.71 | 0.0092 |
| B 2 | 1.88 | 1 | 1.88 | 14.38 | 0.0068 |
| C 2 | 13.50 | 1 | 13.50 | 103.27 | <0.0001 |
| Residual | 0.92 | 7 | 0.13 | ||
| Lack of fit | 0.38 | 3 | 0.13 | 0.94 | 0.5010 |
| Pure error | 0.54 | 4 | 0.13 | ||
| Cor total | 119.94 | 16 | |||
| R 2 | 0.9924 | Adj-R2 | 0.9826 | ||
| CV% | 0.40 | Pred-R2 | 0.9426 | ||
| PRESS | 6.89 | Adeq precisior | 32.389 |