Table 2 ANOVA test shows color change after 7 days’ immersion in different solutions
Material | Difference | Sum of squares | df | Mean square | F | P-value |
|---|---|---|---|---|---|---|
Distilled water | Between groups | 3.378 | 2 | 1.689 | 0.154 | 0.859 |
Within groups | 131.482 | 12 | 10.957 | |||
Total | 134.859 | 14 | ||||
Coca-Cola | Between groups | 104.093 | 2 | 52.047 | 9.183 | 0.004* |
Within groups | 68.016 | 12 | 5.668 | |||
Total | 172.109 | 14 | ||||
Tea | Between groups | 100.838 | 2 | 50.419 | 11.973 | 0.001* |
Within groups | 50.534 | 12 | 4.211 | |||
Total | 151.372 | 14 |