Table 4 ANOVA for the response surface of ACP production by B. sonorensis strain ACP2 obtained by OCCD. “Std. Dev. is the standard deviation, the coefficient of determination (R2), Adj R2 is the adjusted-R2, and PRESS is the prediction error sum of squares, C.V is the Coefficient of variation”
Term | Coefficient Estimate | Mean square | t-Stat | F-value | p-value | Confidence level (%) | Contribution (%) |
|---|---|---|---|---|---|---|---|
Intercept | 190.45 | 1005 | 82.550 | 15.73 | 7.15E−28 | ||
X1 | 4.0956 | 402.58 | 2.5104 | 6.30 | 0.0203 | 97.968 | 6.201834 |
X2 | 6.9795 | 1169 | 4.278 | 18.30 | 0.0003 | 99.966 | 10.56880 |
X3 | -5.5497 | 739.19 | -3.401 | 11.57 | 0.0026 | 99.731 | 8.403669 |
X4 | 3.23E−15 | 0 | 1.9E−15 | 0 | 1 | 0 | 4.88424E−15 |
X1*X2 | 4.6166 | 341.02 | 2.310 | 5.34 | 0.0311 | 96.889 | 6.9908256 |
X1*X3 | 2.2901 | 83.92 | 1.146 | 1.31 | 0.2646 | 73.538 | 3.4678899 |
X1*X4 | 2.5082 | 100.66 | 1.255 | 1.58 | 0.2231 | 77.685 | 3.7981651 |
X2*X3 | -0.79974 | 10.23 | -0.40 | 0.1602 | 0.6930 | 30.698 | 1.2110091 |
X2*X4 | 0.79974 | 10.23 | 0.400 | 0.1602 | 0.6930 | 30.698 | 1.2110091 |
X3*X4 | 4.2895 | 294.40 | 2.146 | 4.61 | 0.0436 | 95.635 | 6.4954128 |
X1*X1 | -12.698 | 5160 | -8.988 | 80.79 | 1.21E−08 | 100 | 19.229357 |
X2*X2 | -7.6823 | 1888 | -5.437 | 29.57 | 2.15E−05 | 99.997 | 11.633027 |
X3*X3 | -3.2110 | 329.95 | -2.272 | 5.17 | 0.03366 | 96.633 | 4.8623853 |
X4*X4 | -10.517 | 3539 | -7.444 | 55.42 | 2.56E−07 | 99.999 | 15.92660 |
df | SS | MS | F | Significance F | |||
Regression | 14 | 14,070 | 1005 | 15.733 | 4.48E−08 | Std. Dev | 7.99 |
Residual | 21 | 1341 | 63.87 | Mean | 167.72 | ||
Total | 35 | 15,411 | C.V. % | 4.77 | |||
R2 | 0.912 | PRESS | 7720 | ||||
Adj. R2 | 0.854 | ||||||
Adeq. Precision | 11.43 |