Source | Sum of squares | df | Mean Square | F Value | p-value | Remarks |
Model | 2009.99 | 20 | 100.5 | 64.67 | <0.0001 | significant |
X1-Leaching temp. | 284.28 | 1 | 284.28 | 182.94 | <0.0001 |
|
X2-Acid conc. | 276.08 | 1 | 276.08 | 177.66 | <0.0001 |
|
X3-S/L ratio | 306.73 | 1 | 306.73 | 197.39 | <0.0001 |
|
X4-Stirring rate | 330.04 | 1 | 330.04 | 212.39 | <0.0001 |
|
X5-Leaching time | 278.80 | 1 | 278.80 | 179.41 | <0.0001 |
|
| 9.61 | 1 | 9.61 | 6.18 | <0.0302 |
|
| 146.26 | 1 | 146.26 | 94.12 | <0.0001 |
|
| 147.90 | 1 | 147.26 | 95.18 | <0.0001 |
|
| 125.75 | 1 | 125.75 | 80.92 | <0.0001 |
|
| 149.55 | 1 | 149.55 | 96.24 | <0.0001 |
|
| 112.45 | 1 | 112.45 | 72.36 | <0.0001 |
|
Residual | 17.09 | 11 | 1.55 |
|
|
|
Lack of fit | 11.22 | 6 | 1.87 | 1.59 | 0.3132 | not significant |
Pure error | 5.87 | 5 | 1.17 |
|
|
|
Cor total | 2027.08 | 31 |
|
|
|
|