Table 3
Matrix of the central composite design.
Test | Initial content | Power | Time |
---|---|---|---|
1 | −1 | −1 | −1 |
2 | −1 | −1 | +1 |
3 | −1 | +1 | −1 |
4 | −1 | +1 | +1 |
5 | +1 | −1 | −1 |
6 | +1 | −1 | +1 |
7 | +1 | +1 | −1 |
8 | +1 | +1 | +1 |
9 | −1.35 | 0 | 0 |
10 | +1.35 | 0 | 0 |
11 | 0 | −1.35 | 0 |
12 | 0 | +1.35 | 0 |
13 | 0 | 0 | −1.35 |
14 | 0 | 0 | +1.35 |
15 | 0 | 0 | 0 |
16 | 0 | 0 | 0 |
17 | 0 | 0 | 0 |