interquartile range

noun

interquartile range

noun
1

Mathematics, Sciences, Statistics 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:
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box plot

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.