z score

例句：

1. 1. The z score of the datais 0.85, whichindicates that it is significantly above the mean.
   数据的Z分数为0.85，表明它显著高于平均值。
2. 2. In statistics, the z score is used to comparethe distribution of a sample to the populationfrom which it was drawn.
   在统计学中，z分数用于比较样本的分布与从其抽取的整个群体的分布。
3. 3. The z score for this variable is-2.34, indicating thatit has a significant negative correlation with thedependent variable.
   这个变量的z分数为-2.34，表明它与依赖变量有显著的负相关性。