Table 6 ANOVA for response surface quadratic model
Source | Sum of squares | df | Mean square | F-value | p-value Prob > F | |
|---|---|---|---|---|---|---|
Model | 15.38 | 9 | 1.71 | 154.37 | < 0.0001 | Significanta |
A-glucose | 0.21 | 1 | 0.21 | 18.73 | 0.0015 | |
B-yeast extract | 0.01 | 1 | 0.01 | 0.92 | 0.3589 | |
C-MgSO4 | 0.07 | 1 | 0.07 | 6.22 | 0.0318 | |
AB | 0.00 | 1 | 0.00 | 0.14 | 0.7194 | |
AC | 0.14 | 1 | 0.14 | 12.92 | 0.0049 | |
BC | 0.05 | 1 | 0.05 | 4.48 | 0.0604 | |
A2 | 0.95 | 1 | 0.95 | 85.92 | < 0.0001 | |
B2 | 4.15 | 1 | 4.15 | 374.61 | < 0.0001 | |
C2 | 0.04 | 1 | 0.04 | 3.18 | 0.1048 | |
Residual | 0.11 | 10 | 0.01 | |||
Lack of fit | 0.09 | 5 | 0.02 | 4.95 | 0.0519 | Not significant |
Pure error | 0.02 | 5 | 0.00 | |||
Cor total | 15.50 | 19 |