Table 5: Response surface methodology experiment design for clarity and response.
No. |
X11 |
X12 |
X13 |
X14 |
Y2 |
1 |
240 |
3 |
1 |
30 |
83.00 |
2 |
200 |
3 |
1 |
30 |
89.86 |
3 |
240 |
1 |
1 |
30 |
81.95 |
4 |
200 |
1 |
1 |
30 |
88.25 |
5 |
220 |
2 |
1.5 |
40 |
86.56 |
6 |
220 |
2 |
0.5 |
40 |
85.29 |
7 |
220 |
2 |
1.5 |
20 |
85.52 |
8 |
220 |
2 |
0.5 |
20 |
84.38 |
9 |
220 |
2 |
1 |
30 |
86.03 |
10 |
240 |
2 |
1 |
40 |
82.10 |
11 |
200 |
2 |
1 |
40 |
91.40 |
12 |
240 |
2 |
1 |
20 |
82.17 |
13 |
200 |
2 |
1 |
20 |
88.60 |
14 |
220 |
3 |
1.5 |
30 |
87.14 |
15 |
220 |
1 |
1.5 |
30 |
84.97 |
16 |
220 |
3 |
0.5 |
30 |
85.63 |
17 |
220 |
1 |
0.5 |
30 |
84.19 |
18 |
220 |
2 |
1 |
30 |
85.93 |
19 |
240 |
2 |
1.5 |
30 |
82.94 |
20 |
200 |
2 |
1.5 |
30 |
90.34 |
21 |
240 |
2 |
0.5 |
30 |
82.77 |
22 |
200 |
2 |
0.5 |
30 |
88.24 |
23 |
220 |
3 |
1 |
40 |
86.05 |
24 |
220 |
1 |
1 |
40 |
86.00 |
25 |
220 |
3 |
1 |
20 |
86.37 |
26 |
220 |
1 |
1 |
20 |
82.30 |
27 |
220 |
2 |
1 |
30 |
85.90 |