| Run | Factor 1 | Factor 2 | Responses | |||
| Clay dosage (g) | Contact time (min) | Exp. %CR | Prediction | Exp. %FFA | Prediction | |
| 1 | 0 | 0 |
|
|
| |
| 2 | −1.41 | 0 |
|
|
| |
| 3 | 1 | 1 |
|
|
| |
| 4 | −1 | −1 |
|
|
| |
| 5 | 0 | 0 |
|
|
| |
| 6 | 0 | 0 |
|
|
| |
| 7 | 0 | 0 |
|
| ||
| 8 | 0 | −1.41 |
|
|
| |
| 9 | 0 | 0 |
|
|
| |
| 10 | 1 | −1 |
|
|
| |
| 11 | −1 | 1 |
|
|
| |
| 12 | 1.41 | 0 |
|
|
| |
| 13 | 0 | 1.41 |
|
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| |