Element (mg/kg) | n | Mean | Median | SD | Variance |
Pb | 45 | 217 | 221 | 95.82 | 9181.7 |
Cd | 45 | 0.96 | 0.975 | 0.62 | 0.384 |
Zn | 45 | 221 | 261 | 150 | 22,454.76 |