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ANOVA analysis of wettability test for all studying groups.
| Sum of squares | df | Mean square | F | Sig. | |
|---|---|---|---|---|---|
| Between groups | 5,915.579 | 3 | 1,971.860 | 75.718 | 0.000 ∗ |
| Within groups | 937.513 | 36 | 26.042 | ||
| Total | 6,853.091 | 39 |
∗The mean difference is significant at the 0.05 level.
