noun🔗ShareAny of the three points that divide an ordered distribution into four parts, each containing a quarter of the population."In the class test, a student who scored in the top quartile performed better than 75% of their classmates. "mathstatisticsnumberChat with AIVocabulary GamePractice Reading
noun🔗ShareAny one of the four groups so divided."This school is ranked in the first quartile."numberstatisticsmathgroupChat with AIVocabulary GamePractice Reading