Table 8.
Statistical analysis of Taguchi design showing coefficient, t-test values, P-values and confidence level (%) for variables affecting on nano-MgO biogenic synthesis reaction by using the endophytic S. coelicolor strain E72 intracellular extract.
| Variables | Coefficients | Standard Error | T Stat | P-value | |
|---|---|---|---|---|---|
| Intercept | −74.4063 | 6.898715 | −10.7855 | 2.74E-11 | |
| Metabolites conc. (v/v) | 63.4375 | 2.268283 | 27.96718 | 1.79E-21* | |
| Mg(NO3)2.6H2O (M) | 116.5625 | 2.268283 | 51.38798 | 1.8E-28* | |
| pH | 2.8125 | 2.268283 | 1.239924 | 0.225672 | |
| Temperature(°C) | 12.3125 | 2.268283 | 5.428113 | 9.66E-06* | |
| df | SS | MS | F | Significance F | |
| Regression | 4 | 142165.1 | 35541.28 | 863.4723 | 4.66459E-28 |
| Residual | 27 | 1111.344 | 41.16088 | ||
| Total | 31 | 143276.5 |
Multiple R, 0.99, R Square, 0.99, Adjusted R Square, 0.99, Standard Error, 6.41, *Significant values, df: Degree of freedom, SS- sum of squares, MS- mean square, F: Fishers’s function, P: Level of significance.