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quartile

(kwôr′tīl, kwôrt′'l)

noun

any of the values in a series dividing the distribution of the individuals in the series into four groups of equal frequency
any of these groups

Origin: ML quartilis < L quartus, fourth: see quart

See quartile in American Heritage Dictionary 4

noun

The value of the boundary at the 25th, 50th, or 75th percentiles of a frequency distribution divided into four parts, each containing a quarter of the population.

Origin:

Origin: Middle English, 90 degrees apart (of the relative position of two celestial bodies)

Origin: , from Old French quartil

Origin: , from Medieval Latin quārtīlis, of a quartile

Origin: , from Latin quārtus, fourth; see quart

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