Table 3.
Results of ANOVA analysis for the Plackett–Burman design.
| Source | df | Adj SS | Adj MS | F Value | p Value | Coefficient (Coded) | SEcoefficient (Coded) |
|---|---|---|---|---|---|---|---|
| Model | 4 | 906.53 | 226.63 | 11.71 | 0.003 | ||
| Linear | 4 | 906.53 | 226.63 | 11.71 | 0.003 | ||
| CPW sugars | 1 | 144.91 | 144.91 | 7.48 | 0.029 | −3.48 | 1.27 |
| Initial medium pH | 1 | 39.24 | 39.24 | 2.03 | 0.198 | −1.81 | 1.27 |
| Inoculum concentration | 1 | 66.74 | 66.74 | 3.45 | 0.106 | 2.36 | 1.27 |
| YE | 1 | 655.64 | 655.64 | 33.86 | 0.001 | 7.39 | 1.27 |
| Error | 7 | 135.53 | 19.36 | ||||
| Lack-of-fit | 6 | 69.41 | 11.57 | 0.17 | 0.946 | ||
| Pure error | 1 | 66.13 | 66.13 | ||||
| Total | 11 | 1042.06 |
df, degree of freedom; Adj SS, adjusted sum of squares; Adj MS, adjusted mean square; SEcoefficient, Standard error of coefficient S-value, 4.40; R2, 86.99%; adjusted R2, 79.56%.