Coded process variables Responses
Run X1 X2 X3 SG WL
1 -1 -1 0 1.19 5.31
2 -1 0 -1 0.28 5.44
3 -1 0 1 3.72 12.64
4 -1 1 0 3.45 10.50
5 0 -1 -1 1.05 4.38
6 0 -1 1 1.24 8.38
7 0 0 0 2.85 8.48
8 0 0 0 2.51 8.23
9 0 0 0 2.49 8.80
10 0 0 0 2.45 8.63
11 0 0 0 3.21 9.10
12 0 1 -1 0.14 5.49
13 0 1 1 6.23 16.25
14 1 -1 0 3.13 8.10
15 1 0 -1 1.23 6.40
16 1 0 1 6.19 16.77
17 1 1 0 4.7 14.46
Table 2: Experimental design and results of experiment