| N | Min | Max | Range | Mean | Var | Std | CV(%) |
251-10 | 50 | 85 | 115 | 30 | 97.92308 | 67.2834 | 8.202646 | 8.376622 |
251-12 | 50 | 87 | 110 | 23 | 96.15152 | 30.69508 | 5.540314 | 5.762066 |
251-14 | 50 | 82 | 110 | 28 | 96.57407 | 53.64535 | 7.324299 | 7.584126 |
251-16 | 50 | 75 | 125 | 50 | 99.7234 | 94.94357 | 9.743899 | 9.770925 |
251-18 | 50 | 81 | 117 | 36 | 97.01961 | 71.17961 | 8.436801 | 8.695975 |