quintile
noun /ˈkwɪntaɪl/
/ˈkwɪntaɪl/
(statistics)- one of five equal groups into which a set of things can be divided according to the distribution of a particular variable
- men in the first quintile of weight (= the heaviest 20% of men)
Word Originearly 17th cent.: from Latin quintilis (mensis) ‘fifth month, July’, from quintus ‘fifth’.