| N | Min | Max | Range | Mean | Var | Std | CV(%) |
251-10 | 50 | 78 | 101 | 23 | 90.03571 | 53.44312 | 7.31048 | 8.119534 |
251-12 | 50 | 83 | 97 | 14 | 88.83333 | 16.51515 | 4.063884 | 4.57473 |
251-14 | 50 | 70 | 105 | 35 | 91.47619 | 65.96283 | 8.121751 | 8.877228 |
251-16 | 50 | 89 | 107 | 18 | 96.89583 | 22.0953 | 4.700564 | 4.85057 |
251-18 | 50 | 84 | 106 | 22 | 95.33333 | 37.86667 | 6.15359 | 6.454817 |