Table 7.
ANOVA for response surface quadratic model (Box-Behnken for selenium biotransformation).
| Source | Sum of squares | df | Mean Square | f -value |
p
-value
(Prob ˃ F) |
|---|---|---|---|---|---|
| Model | 7.59 E+006 | 14 | 5.43 E+005 | 371.63 | ˂0.0001 |
| D- Glucose | 1587 | 1 | 1587 | 1.09 | 0.3148 |
| F- Aeration | 2.31 E+005 | 1 | 2.31 E+005 | 158.23 | ˂0.0001 |
| A- Selenium | 2.19 E+006 | 1 | 2.19 E+006 | 1499.17 | ˂0.0001 |
| B- Temperature | 4.49 E+006 | 1 | 4.49 E+006 | 3080.11 | ˂0.0001 |
| DF | 2116 | 1 | 2116 | 1.45 | 0.2486 |
| DA | 4761 | 1 | 4761 | 3.26 | 0.0925 |
| DB | 2500 | 1 | 2500 | 1.71 | 0.2118 |
| FA | 81 | 1 | 81 | 0.055 | 0.8172 |
| FB | 12.25 | 1 | 12.25 | 8.39 E-003 | 0.9283 |
| AB | 552.25 | 1 | 552.25 | 0.38 | 0.5484 |
| D2 | 9865.95 | 1 | 9865.95 | 6.76 | 0.210 |
| F2 | 6.57 E+005 | 1 | 6.57 E+005 | 449.63 | ˂0.0001 |
| A2 | 6590.37 | 1 | 6590.37 | 4.51 | 0.0519 |
| B2 | 5644.86 | 1 | 5644.86 | 3.87 | 0.0694 |
| Residual | 20440.08 | 14 | 1460.01 | ||
| Lack of Fit | 16674.08 | 10 | 1667.41 | 1.77 | 0.3060 |
| Pure Error | 3766 | 4 | 941.50 | ||
| Cor Total | 7.62 E+006 | 28 |