Quartile
/ˈkwɔːr.taɪl/noun
One of four equal parts of a dataset or distribution.
Did you know?Quartile comes from the same Latin root as quarter and quartet, and its rise in statistics reflects an old human obsession with splitting the world into four balanced parts.
Etymological Timeline
Latin
Latin
quartus
“fourth”
Late Latin
Latin
quartilis
“of the fourth part”
17th Century
English
quartile
“a fourth part, especially in division or measurement”
Modern English
English
quartile
“one of four equal parts of a ranked set or distribution”