Table 3.
ANOVA for Box–Behnken design
| Source | Sum of squares | df | Mean square | F value | p-value prob > F |
|---|---|---|---|---|---|
| Model | 5.562E+007 | 9 | 6.180E+006 | 73.81 | < 0.0001 |
| A-T | 4.735E+007 | 1 | 4.735E+007 | 565.51 | < 0.0001 |
| B-DO | 48615.39 | 1 | 48615.39 | 0.58 | 0.4710 |
| C-IPTG | 2.827E+005 | 1 | 2.827E+005 | 3.38 | 0.1088 |
| AB | 4.387E+005 | 1 | 4.387E+005 | 5.24 | 0.0559 |
| AC | 45926.63 | 1 | 45926.63 | 0.55 | 0.4830 |
| BC | 1900.39 | 1 | 1900.39 | 0.023 | 0.8845 |
| A2 | 4.177E+006 | 1 | 4.177E+006 | 49.88 | 0.0002 |
| B2 | 8.466E+005 | 1 | 8.466E+005 | 10.11 | 0.0155 |
| C2 | 1.741E+006 | 1 | 1.741E+006 | 20.80 | 0.0026 |
| Residual | 5.862E+005 | 7 | 83736.38 | ||
| Lack of fit | 3.009E+005 | 3 | 1.003E+005 | 1.41 | 0.3637 |
| Pure error | 2.853E+005 | 4 | 71316.17 | ||
| Cor total | 5.621E+007 | 16 | Square |