Abstract We prove that some results claimed for the dispersive ordering are not valid and provide some contributions in this direction. Then, we revisit the dispersive ordering of order statistics from IRHR distributions. Several extensions to generalized order statistics are obtained.

中文翻译：

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关于随机变量和顺序统计的分散和星形排序

摘要 我们证明了一些关于色散排序的结果是无效的，并在这个方向上提供了一些贡献。然后，我们重新审视来自 IRHR 分布的订单统计数据的分散排序。获得了对广义订单统计的几个扩展。