Variables | Statistic | Skewness | Kurtosis | |||||||
---|---|---|---|---|---|---|---|---|---|---|

Range | minimum | maximum | mean | std deviation | Variance | Statistic | Std error | Statistic | Std error | |

Lu | 99 | 1 | 100 | 9.34 | 23.41 | 547.87 | 3.25 | 0.141 | 9.42 | 0.28 |

N_{j} | 17 | 0.0 | 17 | 1.72 | 3.46 | 11.97 | 2.67 | 0.142 | 6.80 | 0.28 |

RQD | 92.5 | 7.5 | 100 | 94.68 | 13.25 | 175.68 | −3.39 | 0.141 | 12.62 | 0.28 |