| N | Min | Max | Range | Mean | Var | Std | CV(%) |
E-10 | 50 | 1.69 | 30.81 | 29.12 | 20.29759 | 35.29376 | 5.940855 | 29.26877 |
E-12 | 50 | 6.26 | 37.45 | 31.19 | 20.86879 | 61.91756 | 7.868771 | 37.70593 |
E-14 | 50 | 6.74 | 37.82 | 31.08 | 20.8445 | 48.74802 | 6.981978 | 33.49554 |
E-16 | 50 | 7.17 | 33.25 | 26.08 | 19.04935 | 34.31697 | 5.858068 | 30.75206 |
E-18 | 50 | 4.89 | 40.28 | 35.39 | 20.7656 | 44.11983 | 6.642276 | 31.98692 |