Table 3 Analysis of the orthogonal test
From: Preparation and property analysis of antioxidant of carbazole derivatives
Variation sources | Sum of squares of deviations from the mean | df | Mean square | F |
|---|---|---|---|---|
A | 0.68 | 2 | 0.34 | 1.37 |
B | 1.18 | 2 | 0.59 | 3.12 |
C | 0.47 | 2 | 0.235 | 1.28 |