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| Source of variation | d.f. | Sum of squares | Variance of components | Percentage of variation |
| Among Populations | 3 | 1225.400 | 8.443 | 28% |
| Within Populations | 186 | 4131.048 | 22.210 | 72% |
| Total | 189 | 5356.447 | 30.653 | 100% |
