decileBrE/ˈdesaɪl/NAmE/ˈdesaɪl/, also/ˈdesl/noun (statistics统计) oneoftenequalgroupsintowhichacollectionofthingsorpeoplecanbedividedaccordingtothedistribution of a particular variable十分位数◆familiesinthetopdecileofincome(= the10%offamilieswiththehighestincome)收入排在前十分位的家庭