quartile

Definition

Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.

Etymology

From Middle French quartil, from Medieval Latin quartilus. By surface analysis, quart + -ile.

Example Sentences

• "This school is ranked in the first quartile."
• "The Department for Transport's National Travel Survey shows that workers in the lowest income quartile are twice as likely to use public transport."
• "In June 2021, the top-income quartile of Chase customers had a median cash buffer of 43 days, while the lowest-income quartile had a median cash buffer of 22 days."