Table 2.
Analysis of the variance of the response surface model for ultrasound-assisted deep eutectic solvent extraction.
| Sum of Squares | df | Mean Square | F-Value | p-Value | |
|---|---|---|---|---|---|
| Model | 2720.72 | 9 | 302.30 | 131.72 | <0.0001 ** |
| X1 | 526.01 | 1 | 526.01 | 229.20 | <0.0001 ** |
| X2 | 197.21 | 1 | 197.21 | 85.93 | <0.0001 ** |
| X3 | 199.90 | 1 | 199.90 | 28.69 | <0.0001 ** |
| X1X2 | 65.85 | 1 | 65.85 | 6.23 | 0.0011 * |
| X1X3 | 14.29 | 1 | 14.29 | 1.76 | 0.0413 * |
| X2X3 | 5.13 | 1 | 5.13 | 2.24 | 0.1785 |
| X12 | 678.58 | 1 | 678.58 | 295.68 | <0.0001 ** |
| X22 | 700.95 | 1 | 700.95 | 305.42 | <0.0001 ** |
| X32 | 170.05 | 1 | 170.05 | 74.09 | 0.0002 ** |
| Residual | 16.07 | 7 | 2.30 | ||
| Lack of Fit | 7.45 | 3 | 2.48 | 1.15 | 0.4305 |
| Pure error | 8.62 | 4 | 2.15 | ||
| Corrected total | 2736.78 | 16 | |||
| R² | 0.9941 | ||||
| Adjusted R² | 0.9866 |
* Stands for statical significance (p < 0.05); ** Stands for statical extremely significance (p < 0.001).