quartile

English

Etymology

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

Pronunciation

  • IPA(key): /ˈkwɔː(ɹ)taɪl/
  • Audio (Southern England):(file)

Noun

quartile (plural quartiles)

  1. (statistics) Any of the three points that divide an ordered distribution into four parts, each containing a quarter of the population.
  2. (statistics) Any one of the four groups so divided.
    This school is ranked in the first quartile.
    • 2021 July 28, Paul Clifton, “Network News: Confusion and dissent over face mask requirements: Reaction to the Guidance: British Safety Council”, in RAIL, number 936, page 6:
      The Department for Transport's National Travel Survey shows that workers in the lowest income quartile are twice as likely to use public transport.
    • 2023 July 18, Elisabeth Buchwald, “Americans aren’t rebuilding their savings fast enough”, in CNN Business‎[1], archived from the original on 17 August 2023:
      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.
    • 2024 November 15, Kristen Rogers, “Want to live an extra 5 to 10 years? Adopt this habit, study suggests”, in CNN‎[2], archived from the original on 11 July 2025:
      Total activity levels in the lowest quartile were equivalent to walking for 49 minutes at roughly 3 miles (4.8 kilometers) per hour daily. Total activity levels in the second-, third- and fourth-highest quartiles were equivalent to 78, 105 and 160 minutes, respectively.

Hypernyms

Coordinate terms

Derived terms

Derived terms

Translations

Verb

quartile (third-person singular simple present quartiles, present participle quartiling, simple past and past participle quartiled)

  1. (transitive) To divide into quartiles.

References

Anagrams

French

Pronunciation

  • IPA(key): /kaʁ.til/
  • Audio (France (Toulouse)):(file)
  • Hyphenation: quar‧tile

Noun

quartile m (plural quartiles)

  1. quartile

Further reading

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