Table 3.
Analysis of variance for quadratic model and fit statistics of hyperin content.
| Source | df | Sum of square | Mean of square | F-value | p-value |
|---|---|---|---|---|---|
| Model | 0.0104 | 5 | 0.0021 | 15.92 | 0.0011 |
| X1-Extraction temperature | 0.0013 | 1 | 0.0013 | 9.63 | 0.0172 |
| X2-Extraction time | 0.0018 | 1 | 0.0018 | 14.11 | 0.0071 |
| X1X2 | 0.0037 | 1 | 0.0037 | 28.33 | 0.0011 |
| X12 | 0.0020 | 1 | 0.0020 | 15.07 | 0.0060 |
| X22 | 0.0021 | 1 | 0.0021 | 16.02 | 0.0052 |
| Residual | 0.0009 | 7 | 0.0001 | ||
| Lack of Fit | 0.0005 | 3 | 0.0002 | 2.00 | 0.2564 |
| Pure Error | 0.0004 | 4 | 0.0001 | ||
| Cor Total | 0.0113 | 12 | |||
| R2 | 0.9191 | ||||
| Adjusted R2 | 0.8614 | ||||
| Predicted R2 | 0.6045 | ||||
| CV% | 0.7395 | ||||
| Adeq Precision | 11.8875 |