Table 3 Analysis of variance (ANOVA) for the selected model
Source | Sum of squares | df | Mean square | F value | P value Prob > F |
|---|---|---|---|---|---|
Model | 36.46 | 6 | 6.08 | 23.11 | < 0.0001 |
A–sodium acetate | 4.83 | 1 | 4.83 | 18.38 | 0.0003 |
B–meat extract | 17.66 | 1 | 17.66 | 67.19 | < 0.0001 |
C–dipotassium phosphate | 0.18 | 1 | 0.18 | 0.68 | 0.4184 |
D–yeast extract | 11.19 | 1 | 11.19 | 42.58 | < 0.0001 |
AC | 1.27 | 1 | 1.27 | 4.84 | 0.0382 |
D2 | 1.32 | 1 | 1.32 | 5.02 | 0.0350 |
Residual | 6.05 | 23 | 0.26 | ||
Lack of fit | 5.09 | 18 | 0.28 | 1.49 | 0.3508 |
Pure error | 0.95 | 5 | 0.19 | < 0.0001 | |
Cor total | 42.51 | 29 | 0.0003 |