quartile

English Thesaurus

1. (statistics) any of three points that divide an ordered distribution into four parts each containing one quarter of the scores (noun.cognition)

hypernym	:	grade, mark, score,
definition	:	a number or letter indicating quality (especially of a student's performance) (noun.cognition)

domain category	:	statistics,
definition	:	a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters (noun.cognition)