Noun
interquartile range (plural interquartile ranges)
(statistics) The difference between the first and third quartiles; a robust measure of sample dispersion.
After determining the first and third quartiles and the interquartile range as outlined above, then fences are calculated using the following formula: : : where Q 1 and Q 3 are the first and third quartiles, respectively. Source: Internet
Calculation In calculation of the IQM, only the data in the second and third quartiles is used (as in the interquartile range ), and the lowest 25% and the highest 25% of the scores are discarded. Source: Internet
The IQM can be equal to any value between the first and third quartiles, depending on all the observations in the interquartile range. Source: Internet
The interquartile range is often used to find outliers in data. Source: Internet
The purple box shows the middle portion of the data, known in statistical lingo as the Interquartile Range. Source: Internet