Table 5 ANOVA for CCD results of uricase production by Aspergillus welwitschiae.
Source | Sum of Squares | df | Mean Square | F-value | P-value Prob >F |
|---|---|---|---|---|---|
Model | 1633.99 | 9 | 181.55 | 35.92 | <0.0001 |
X1 - (incubation time) | 121.05 | 1 | 121.05 | 23.95 | 0.0006 |
X2 - (inoculum size) | 13.24 | 1 | 13.24 | 2.62 | 0.1366 |
X3 - (yeast extract) | 77.16 | 1 | 77.16 | 15.27 | 0.0029 |
X1 X2 | 0.03 | 1 | 0.03 | 0.01 | 0.9413 |
X1 X3 | 19.59 | 1 | 19.59 | 3.88 | 0.0773 |
X2 X3 | 25.85 | 1 | 25.85 | 5.11 | 0.0473 |
X12 | 80.21 | 1 | 80.21 | 15.87 | 0.0026 |
X22 | 680.98 | 1 | 680.98 | 134.72 | <0.0001 |
X32 | 814.05 | 1 | 814.05 | 161.05 | <0.0001 |
Residual | 50.55 | 10 | 5.05 | ||
Lack of Fit | 38.22 | 5 | 7.64 | 3.10 | 0.1199 |
Pure Error | 12.33 | 5 | 2.47 | ||
Cor Total | 1684.53 | 19 | |||
PRESS | 318.46 | Adeq Precision | 15.8864 | ||
Std. Dev. | 2.25 | R 2 | 0.9700 | ||
C.V.% | 4.82 | Pred R 2 | 0.8110 | ||
Mean | 46.64 | Adj R 2 | 0.9430 | ||