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
interquartile range in American English
(ˌintərˈkwɔrtail, -tɪl)
noun
Statistics
the range of values of a frequency distribution between the first and third quartiles
Word origin
[1880–85; inter- + quartile]This word is first recorded in the period 1880–85. Other words that entered Englishat around the same time include: automatism, barnstorm, impressionism, pari-mutuel, regionalisminter- is a prefix occurring in loanwords from Latin, where it meant “between,” “among,”“in the midst of,” “mutually,” “reciprocally,” “together,” “during” (intercept; interest). On this model, inter- is used in the formation of compound words (intercom; interdepartmental)
Examples of 'interquartile range' in a sentence
interquartile range
Scores were expressed as median [interquartile range].
JM O'Leary, DE McNeely, JA Damp, QS Wells, L Nanney, L Mendes 2019, 'Hands-on Gross Anatomy Instruction Improves Clinical Imaging Skills Among CardiovascularFellows', Journal of Medical Education and Curricular Developmenthttps://doi.org/10.1177/2382120519842542. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The interquartile range was [1.94, 2.57].
Michal Schuster, Irit Elroy, Bruce Rosen 2018, 'How culturally competent are hospitals in Israel?', Israel Journal of Health Policy Researchhttp://link.springer.com/article/10.1186/s13584-018-0255-7. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Median follow-up was 5.5 years (interquartile range 4.2–7.0).
Kathryn S. Taylor, Carl J. Heneghan, Richard J. Stevens, Emily C. Adams, David Nunan,Alison Ward 2015, 'Heterogeneity of Prognostic Studies of 24-Hour Blood Pressure Variability: SystematicReview and Meta-Analysis', PLOS ONE10.1371/journal.pone.0126375. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
For agreement criteria interquartile range and median values were used.
Aydın Gamze Çetinkaya, Evren Enis, Atakan İskender, Şen Mehmet, Yılmaz Betül, PirgonEce, Yeşilyurt Ezgi, Akıllıoğlu F. Çağlin, Ebren Ebru 2016, 'Delphi technique as a graduate course activity: Elementary science teachers' TPACKcompetencies', SHS Web of Conferenceshttp://dx.doi.org/10.1051/shsconf/20162601135. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)