Table 5.
ANOVA for central composite design model (CCD).
| Source | DF | Adj SS | Adj MS | F | P |
|---|---|---|---|---|---|
| Regression | 14 | 17,523.8 | 1251.70 | 4.09 | 0.004 |
| Linear | 4 | 9282.5 | 2320.63 | 7.58 | 0.001 |
| Concentration | 1 | 3360.7 | 3360.67 | 10.97 | 0.004 |
| Temperature | 1 | 160.2 | 160.17 | 0.52 | 0.480 |
| Carbon | 1 | 888.2 | 888.17 | 2.90 | 0.108 |
| Inoculum | 1 | 4873.5 | 4873.50 | 15.91 | 0.001 |
| Square | 4 | 7473.6 | 1868.39 | 6.10 | 0.004 |
| Concentration * concentration | 1 | 95.9 | 95.93 | 0.31 | 0.584 |
| Temperature * temperature | 1 | 2625.3 | 2625.26 | 8.57 | 0.010 |
| Carbon * carbon | 1 | 3126.6 | 3126.64 | 10.21 | 0.006 |
| Inoculum * inoculum | 1 | 3277.9 | 3277.93 | 10.70 | 0.005 |
| Interaction | 6 | 767.8 | 127.96 | 0.42 | 0.857 |
| Concentration * temperature | 1 | 1.0 | 1.00 | 0.00 | 0.955 |
| Concentration * carbon | 1 | 132.2 | 132.25 | 0.43 | 0.520 |
| Concentration * inoculum | 1 | 0.2 | 0.25 | 0.00 | 0.978 |
| Temperature * carbon | 1 | 9.0 | 9.00 | 0.03 | 0.866 |
| Temperature * inoculum | 1 | 25.0 | 25.00 | 0.08 | 0.779 |
| Carbon * inoculum | 1 | 600.3 | 600.25 | 1.96 | 0.181 |
| Residual error | 16 | 4901.4 | 306.34 | ||
| Lack-of-fit | 10 | 4898.6 | 489.86 | 1050.7 | 0.000 |
| Pure error | 6 | 2.8 | 0.47 | ||
| Total | 30 | 22,425.2 |