Breadcrumb Home > Dictionary > Index I interquartile range: Meaning and Definition of Find definitions for: in•ter•quar'tile range" Pronunciation: (in"tur-kwôr'tīl, -til), [key] — Statistics. Statistics. the range of values of a frequency distribution between the first and third quartiles. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interpupillary interracial TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: variegate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language