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INTERQUARTILE RANGE

Statistics Directorate    
French Equivalent: Amplitude interquartile

Definition:
The variate distance between the upper and lower quartiles. This range contains one half of the total frequency and provides a simple measure of dispersion which is useful in descriptive statistics.

Source Publication:
A Dictionary of Statistical Terms, 5th edition, prepared for the International Statistical Institute by F.H.C. Marriott. Published for the International Statistical Institute by Longman Scientific and Technical.

Statistical Theme: Methodological information (metadata)

Created on Thursday, May 23, 2002

Last updated on Tuesday, April 29, 2003