quartile


quartile

quartile [kwawr-tahyl, -til] ExamplesWord Origin noun

  1. Statistics. (in a frequency distribution) one of the values of a variable that divides the distribution of the variable into four groups having equal frequencies.Compare first quartile, median, third quartile.
  2. Astrology. a quartile aspect.

adjective

  1. Astrology. of or relating to the aspect of two heavenly bodies when their longitudes differ by 90°.

Origin of quartile 1500–10; Medieval Latin quartīlis, equivalent to Latin quart(us) fourth + -īlis -ile Examples from the Web for quartile Contemporary Examples of quartile

  • Of course, that’s just an illustration; people don’t mechanically drop down a quartile by getting more education.

    Higher Education and Earnings: Now With Graphs

    Megan McArdle

    February 20, 2013

  • A 3rd quartile candidate with “some college”earning $1085 a week becomes a second-quartile BA holder earning . . . $1066.

    Higher Education and Earnings: Now With Graphs

    Megan McArdle

    February 20, 2013

  • Historical Examples of quartile

  • First Quartile–Fairly clear; illumination of actual scene is fairly represented.

    Inquiries into Human Faculty and Its Development

    Francis Galton

  • British Dictionary definitions for quartile quartile noun

    1. statistics one of three actual or notional values of a variable dividing its distribution into four groups with equal frequencies

    adjective

    1. statistics denoting or relating to a quartile
    2. astrology denoting an aspect of two heavenly bodies when their longitudes differ by 90°
    3. a quarter part of a distribution

    Word Origin for quartile C16: from Medieval Latin quartīlis, from Latin quartus fourth Word Origin and History for quartile n.

    c.1500, originally in astronomy; see quartile (adj.). In statistics, from 1879.

    adj.

    mid-15c., “90 degrees apart” (of astronomical measurements), from Middle French quartil, from Medieval Latin quartilus “of a quartile,” from Latin quartus “fourth” (see quart).

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