[ in-ter-kwawr-tahyl, -til ]
/ ˌɪn tərˈkwɔr taɪl, -tɪl /
the range of values of a frequency distribution between the first and third quartiles.
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British Dictionary definitions for interquartile range
/ (ˌɪntəˈkwɔːtaɪl) /
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