Table 4 ANOVA for response surface reduced quadratic model with backward elimination regression.
Source | Sum of squares | Degrees of freedom | Mean square | F value | p value |
|---|---|---|---|---|---|
A-NaCl | 1.442E−003 | 1 | 1.442E−003 | 10.05 | 0.0043** |
C-beef extract | 7.350E−005 | 1 | 7.350E−005 | 0.51 | 0.4814NS |
D-yeast extract | 0.021 | 1 | 0.021 | 143.10 | < 0.0001** |
AD | 9.000E−004 | 1 | 9.000E−004 | 6.27 | 0.0198** |
CD | 4.410E−004 | 1 | 4.410E−004 | 3.07 | 0.0929NS |
C2 | 1.056E−003 | 1 | 1.056E−003 | 7.36 | 0.0124** |
Residual | 3.300E−003 | 23 | 1.435E−004 | ||
Lack of fit | 2.939E−003 | 18 | 1.633E−004 | 2.26 | 0.1866NS |
Pure error | 3.608E−004 | 5 | 7.217E−005 | ||
Cor total | 0.028 | 29 | |||
Model | 0.024 | 6 | 4.074E−003 | 28.39 | < 0.0001** |