Word.ws English Dictionary

IQR

IQR is the initialism of interquartile range.

Meaning of interquartile range

Noun

interquartile range (plural interquartile ranges, abbreviation IQR)

  1. The difference between the first and third quartiles; a robust measure of sample dispersion.
    • A common way of expressing quartiles is as an interquartile range. The interquartile range describes the difference between the third quartile (Q3) and the first quartile (Q1), telling us about the range of the middle half of the scores in the distribution.2026 February 1 (last accessed), “Measures of Spread”, in Laerd Statistics, archived from the original on 05 Feb 2024
    Synonyms:
    midspread

Questions about IQR

What is IQR the initialism of?
IQR is the initialism of interquartile range.

Words near IQR in the dictionary

  1. Iqglic
  2. iqlet
  3. iqlets
  4. iqmik
  5. IQP
  6. IQR
  7. IQs
  8. IQs of room temperature
  9. iqta
  10. iqtadar
  11. iqtadars

Source and license

Adapted from Wiktionary: IQR (page history and authors); interquartile range (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “IQR.” Word.ws, https://word.ws/iqr. Based on Wiktionary, CC BY-SA 4.0.