Table 4.
ANOVA results for the model.
| Source | DF | Adj SS | Adj MS | F-Value | P-Value | Remarks |
|---|---|---|---|---|---|---|
| Model | 6 | 1294.11 | 215.685 | 44.36 | 0.000 | significant |
| Linear | 3 | 969.13 | 323.044 | 66.44 | 0.000 | significant |
| (A) catalyst dosage | 1 | 394.8 | 394.805 | 81.20 | 0.000 | significant |
| (B)LEVO conc | 1 | 454.51 | 454.511 | 93.48 | 0.000 | significant |
| (C)pH | 1 | 119.82 | 119.815 | 24.64 | 0.001 | significant |
| 2-Way Interaction | 3 | 324.98 | 108.326 | 22.28 | 0.000 | significant |
| (AB)catalyst dosage*LEVO conc | 1 | 109.2 | 109.203 | 22.46 | 0.001 | significant |
| (BC)catalyst dosage*pH | 1 | 199.37 | 199.374 | 41.00 | 0.000 | significant |
| (AC) LEVO dosage*pH | 1 | 16.4 | 16.402 | 3.37 | 0.104 | not significant |
| Error | 8 | 38.9 | 4.862 | |||
| Lack-of-Fit | 6 | 17.72 | 2.953 | 0.28 | 0.906 | not significant |
| Pure Error | 2 | 21.18 | 10.591 | |||
| Total | 14 | 1333.01 | ||||
| SS | 2.7659 | |||||
| R2 | 97.08% | |||||
| Adjusted R2 | 94.89% | |||||
| Predicted R2 | 91.11% |