interquartile range

[ in-ter-kwawr-tahyl, -til ]
/ ˌɪn tərˈkwɔr taɪl, -tɪl /

noun Statistics.

the range of values of a frequency distribution between the first and third quartiles.

Nearby words

  1. interprovincial,
  2. interproximal,
  3. interproximal space,
  4. interpunction,
  5. interpupillary,
  6. interracial,
  7. interracialism,
  8. interradial,
  9. interradicular alveoloplasty,
  10. interradicular space

Origin of interquartile range

First recorded in 1880–85; inter- + quartile

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019


British Dictionary definitions for interquartile range

interquartile range

/ (ˌɪntəˈkwɔːtaɪl) /

noun

statistics the difference between the value of a variable below which lie 25 per cent of the population, and that below which lie 75 per cent: a measure of the spread of the distribution
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012