Table 6: Analysis of Variance to Aromatic Hydrocarbons Yield
| Source of Variation
|
Sum of Squares
|
Df |
Mean Square |
F-Ratio |
P-Value |
| X1: (TOS)
|
7.64803 |
1 |
7.64803 |
0.13 |
0.7218 |
| X2: (GHSV-C2) |
351.867 |
1 |
351.867 |
6.04 |
0.0258 |
| X3: (XC1) |
1660.98 |
1 |
1660.98 |
28.52 |
0.0001 |
| X4: (Temp.) |
250.071 |
1 |
250.071 |
4.29 |
0.0548 |
| X1X2
|
0.04 |
1 |
0.04 |
0.00 |
0.9794 |
| X1X3
|
2.56 |
1 |
2.56 |
0.04 |
0.8366 |
| X1X4
|
19.2721 |
1 |
19.2721 |
0.33 |
0.5731 |
| X2X3
|
11.4921 |
1 |
11.4921 |
0.20 |
0.6629 |
| X2X4
|
125.44 |
1 |
125.44 |
2.15 |
0.1616 |
| X3X4
|
28.09 |
1 |
28.09 |
0.48 |
0.4974 |
| Total error |
931.91 |
16 |
58.2444 |
|
|
| Total (exp.) |
3389.37 |
26 |
|
|
|