Table 8.
Analysis of variance of iron, cadmium, mercury and lead contents in a panel of 19 mushroom-based supplements between the mean values determined on 3 different capsules.
| Metal | Source of Variation | Degrees of Freedom | Mean Square | F | p-Value | F Crit |
|---|---|---|---|---|---|---|
| Iron | Between Groups | 18 | 3347.24 | 66.725 | <0.001 | 1.882 |
| Within Groups | 38 | 50.16 | ||||
| Total | 56 | |||||
| Cadmium | Between Groups | 18 | 22.464 | 627.678 | <0.001 | 1.882 |
| Within Groups | 38 | 0.036 | ||||
| Total | 56 | |||||
| Mercury | Between Groups | 18 | 0.683 | 100.5607 | <0.001 | 1.882 |
| Within Groups | 38 | 0.006 | ||||
| Total | 56 | |||||
| Lead | Between Groups | 18 | 5.509 | 101.025 | <0.001 | 1.882 |
| Within Groups | 38 | 0.055 | ||||
| Total | 56 |