interquartileadj.
/ɪntəˈkwɔːtʌɪl/ Statistics.
Situated between the first and third quartiles of a distribution.
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interquartile1882
1882 F. Galton in Rep. Brit. Assoc. Advancem. Sci. 1881 245 This gave the upper and lower ‘quartile’ values, and consequently the ‘interquartile’ range (which is equal to twice the ‘probable error’).
1944 Mind 53 175 Does a statistical description in terms of mean, mean deviation, interquartile range, describe well enough the individuals we have examined?
1952 New Biol. 12 23 The interquartile range will be about 7 per cent of the median. That is to say, if we take 101 teeth, and arrange them in order for the particular length measured, the difference in length between the 26th and the 76th will be about 7 per cent of the length of the 51st.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2018).
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adj.1882