third quartile

例句：

1. 1.The third quartile of the data set is used to determine the median value.
   数据集中第三四分位数用于确定中位数。
2. 2. The third quartile of the population distribution is used to estimate the median age.
   人口分布的第三四分位数用于估计中位年龄。
3. 3. In statistics, the third quartile is often used to compare the performance of different groups.
   在统计学中，第三四分位数通常用于比较不同组的性能。