quartile
/ˈkwɔːtaɪl/noun
1- Statistics each of four equal groups into which a population can be divided according to the distribution of values of a particular variable【统计】四分位组。
1.1
- each of the three values of the random variable which divide a population into four such groups四分位值; 四分位数。
词源
late 19th cent.: from medieval Latin quartilis, from Latin quartus 'fourth'.