Table 4 The analysis of variance ANOVA.
Source | Sum of Squares | Df | Mean Square | F Value | p-value Prob > F | Status |
|---|---|---|---|---|---|---|
Model | 28454.06607 | 20 | 1422.703304 | 20.08521557 | < 0.0001 | significant |
A-Lamp | 7084.913063 | 1 | 7084.913063 | 100.0222645 | < 0.0001 | |
B-Time | 3958.707123 | 1 | 3958.707123 | 55.88760898 | < 0.0001 | |
C-Dose catalyst | 759.0765625 | 1 | 759.0765625 | 10.71637098 | 0.0027 | |
D-pH | 13154.7663 | 1 | 13154.7663 | 185.7142781 | < 0.0001 | |
E-Concentration | 159.5603025 | 1 | 159.5603025 | 2.252615189 | 0.1442 | |
AB | 141.1620031 | 1 | 141.1620031 | 1.99287459 | 0.1687 | |
AC | 94.35945312 | 1 | 94.35945312 | 1.332132956 | 0.2578 | |
AD | 160.2497531 | 1 | 160.2497531 | 2.262348606 | 0.1434 | |
AE | 153.4314031 | 1 | 153.4314031 | 2.166089584 | 0.1519 | |
BC | 32.26052813 | 1 | 32.26052813 | 0.455442579 | 0.5051 | |
BD | 135.5069531 | 1 | 135.5069531 | 1.91303862 | 0.1772 | |
BE | 5.942628125 | 1 | 5.942628125 | 0.083895895 | 0.7741 | |
CD | 253.1812531 | 1 | 253.1812531 | 3.574322231 | 0.0687 | |
CE | 224.5610281 | 1 | 224.5610281 | 3.170272148 | 0.0855 | |
DE | 548.5500031 | 1 | 548.5500031 | 7.74423243 | 0.0094 | |
A2 | 735.2653781 | 1 | 735.2653781 | 10.3802132 | 0.0031 | |
B2 | 66.78790312 | 1 | 66.78790312 | 0.94288769 | 0.3396 | |
C2 | 0.687378125 | 1 | 0.687378125 | 0.009704158 | 0.9222 | |
D2 | 126.5242781 | 1 | 126.5242781 | 1.786224432 | 0.1918 | |
E2 | 658.5727781 | 1 | 658.5727781 | 9.297494552 | 0.0049 | |
Residual | 2054.167438 | 29 | 70.83335994 | |||
Lack of Fit | 1878.734991 | 22 | 85.39704506 | 3.407461539 | 0.0507 | not significant |
Pure Error | 175.4324469 | 7 | 25.06177813 | |||
Cor Total | 30508.23351 | 49 |
