Table 7.
Analysis of variance (ANOVA) test for Box–Behnken design Ligninase.
| Source | DF | Adj SS | Adj SS | F-Value | P-Value |
|---|---|---|---|---|---|
| Model | 14 | 92146.7 | 6581.9 | 38.03 | 0.000 |
| Linear | 4 | 35520.3 | 8880.1 | 51.31 | 0.000 |
| A-Moisture content | 1 | 108.5 | 108.5 | 0.63 | 0.444 |
| B-pH | 1 | 1844.2 | 1844.2 | 10.66 | 0.007 |
| C-Inoculum | 1 | 277.8 | 277.8 | 1.61 | 0.229 |
| D-Time | 1 | 33289.9 | 33289.9 | 192.34 | 0.000 |
| Square | 4 | 56029.6 | 14007.4 | 80.93 | 0.000 |
| A∗A | 1 | 253.0 | 253.0 | 1.46 | 0.250 |
| B∗B | 1 | 581.0 | 581.0 | 3.36 | 0.092 |
| C∗C | 1 | 235.2 | 235.2 | 1.36 | 0.266 |
| D∗D | 1 | 41728.6 | 41728.6 | 241.10 | 0.000 |
| 2 Way Interaction | 6 | 596.7 | 99.5 | 0.57 | 0.744 |
| A∗B | 1 | 234.0 | 234.0 | 1.35 | 0.268 |
| A∗C | 1 | 4.6 | 4.6 | 0.03 | 0.873 |
| A∗D | 1 | 33.7 | 33.7 | 0.19 | 0.667 |
| B∗C | 1 | 158.3 | 158.3 | 0.91 | 0.358 |
| B∗D | 1 | 1.0 | 1.0 | 0.01 | 0.939 |
| C∗D | 1 | 165.1 | 165.1 | 0.95 | 0.348 |
| Error | 12 | 2076.9 | 173.1 | ||
| Lack-of-Fit | 10 | 1951.8 | 195.2 | 3.12 | 0.267 |
| Pure Error | 2 | 125.1 | 62.6 | ||
| Total | 26 | 94223.6 |
| Model Summary | |||
|---|---|---|---|
| S | R-Sq | R-Sq (adj) | R-Sq (pred) |
| 13.1559 | 97.80% | 95.22% | 87.77% |