1. No. of runs Xo X1 X2 X3 X4 Y1 Y2 Y3 Y4 Y5 Si2
Table 3. Design of the experiment using coded value
No. of runs Xo X1 X2 X3 X4 Y1 Y2 Y3 Y4 Y5
Si2 1 +1
4.16
4.59
4.33
5.8
5.13
4.802
0.44 2 -1
14.25
12.36
13.1
14.23
13.63
13.514
0.64 3
13.39
12.25
12.67
14.35
14.72
13.476
1.11 4
10.51
10.23
9.94
11.26
11.114
2.21 5
20.22
19.42
22.19
22.05
19.88
20.752
1.64 6
11.35
10.91
12.06
13.12
11.43
11.774
0.73 7
8.58
8.92
9.23
7.71
7.98
8.484
0.40 8
22.34
21.52
20.9
20.61
23.68
21.81
1.53
Kaniz Ferdous et al. Preparation and Optimization of Biodiesel Production from Mixed Feedstock Oil. Chemical Engineering and Science, 2013, Vol. 1, No. 4, doi: /ces-1-4-3
© The Author(s) Published by Science and Education Publishing.