Table 6.
Source | Sum of squares | df | Mean square | F value | P value | Significant |
---|---|---|---|---|---|---|
Model | 7.40 | 9 | 0.8219 | 58.34 | 0.0002 | ** |
A-Incubation temperature | 0.8321 | 1 | 0.8321 | 59.06 | 0.0006 | ** |
B-Shaker rotational speed | 0.6105 | 1 | 0.6105 | 43.33 | 0.0012 | ** |
C-Incubation time | 0.5050 | 1 | 0.5050 | 35.85 | 0.0019 | ** |
AB | 0.1521 | 1 | 0.1521 | 10.80 | 0.0218 | * |
AC | 0.0225 | 1 | 0.0225 | 1.60 | 0.2620 | |
BC | 0.1122 | 1 | 0.1122 | 7.97 | 0.0370 | * |
A2 | 4.89 | 1 | 4.89 | 346.86 | < 0.0001 | ** |
B2 | 0.0970 | 1 | 0.0970 | 6.89 | 0.0469 | * |
C2 | 0.0051 | 1 | 0.0051 | 0.3604 | 0.5745 | |
Residual | 0.0704 | 5 | 0.0141 | |||
Lack of fit | 0.0576 | 3 | 0.0192 | 2.98 | 0.2611 | Not significant |
Pure error | 0.0129 | 2 | 0.0064 | |||
Cor total | 7.47 | 14 | ||||
R2= 0.9906 | = 0.9736 | = 0.8728 | CV = 1.91% |
*Significant at 5% level (P < 0.05), **significant at 1% level (P < 0.01)