| N | Min | Max | Range | Mean | Var | Std | CV(%) |
251-10 | 50 | 0 | 3 | 3 | 1 | 0.814815 | 0.902671 | 90.2671 |
251-12 | 50 | 0 | 2 | 2 | 0.75 | 0.386364 | 0.621582 | 82.8776 |
251-14 | 50 | 0 | 3 | 3 | 0.571429 | 0.982578 | 0.991251 | 173.4688 |
251-16 | 50 | 0 | 2 | 2 | 0.617021 | 0.458834 | 0.677373 | 109.7812 |
251-18 | 50 | 0 | 2 | 2 | 0.588235 | 0.487059 | 0.697896 | 118.6424 |