Table 6.
Analysis of variance (ANOVA) for quadratic model of PE removal by C. vulgaris.
| Sum of Squares | df | Mean Square | F-value | p-value | |
|---|---|---|---|---|---|
| Model | 3353.02 | 9 | 372.56 | 26.54 | 0.0001 |
| A- MP Conc. | 139.95 | 1 | 139.95 | 9.97 | 0.0160 |
| B– C. vulgaris Dose | 537.10 | 1 | 537.10 | 38.26 | 0.0005 |
| C- pH | 1508.93 | 1 | 1508.93 | 107.48 | <0.0001 |
| AB | 199.52 | 1 | 199.52 | 14.21 | 0.0070 |
| AC | 34.40 | 1 | 34.40 | 2.45 | 0.1615 |
| BC | 289.00 | 1 | 289.00 | 20.59 | 0.0027 |
| A2 | 556.12 | 1 | 556.12 | 39.61 | 0.0004 |
| B2 | 0.0067 | 1 | 0.0067 | 0.0005 | 0.9831 |
| C2 | 112.11 | 1 | 112.11 | 7.99 | 0.0256 |
| Residual | 98.28 | 7 | 14.04 | ||
| Lack of Fit | 50.92 | 3 | 16.97 | 1.43 | 0.3575 |
| Pure Error | 47.36 | 4 | 11.84 | ||
| Cor Total | 3451.30 | 16 | |||
| R2 | 0.97 | Predicted R2 | 0.74 | ||
| Adjusted R2 | 0.93 | Adeq Precision | 23.14 |