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.

QUIZZES

THINK YOU’VE GOT A HANDLE ON THIS US STATE NICKNAME QUIZ?

Did you ever collect all those state quarters? Put them to good use on this quiz about curious state monikers and the facts around them.
Question 1 of 8
Mississippi’s nickname comes from the magnificent trees that grow there. What is it?

Origin of interquartile range

First recorded in 1880–85; inter- + quartile
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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