| DNA-Y2014 | DNA-Y2015 | DNA-Y2016 | TOX-Y2014 | TOX-Y2015 | TOX-Y2016 | CHEM-Y2014 | CHEM-Y2015 | CHEM-Y2016 |
Mean, Ncr | 6.19 | 3.04 | 7.75 | 2.12 | 0.92 | 3.12 | 6.67 | 5.46 | 26.06 |
Std. Deviation, σcr | 3.70 | 2.54 | 4.91 | 1.96 | 1.13 | 2.46 | 5.20 | 4.91 | 17.53 |
Skewness | 0.78 | 0.67 | 1.84 | 1.16 | 1.58 | 1.30 | 1.06 | 1.12 | 0.70 |
Maximum | 15.0 | 10.0 | 27.0 | 8.0 | 5.0 | 12.0 | 21.0 | 19.0 | 86.0 |