Mathematics · supplementary
Coefficient of quartile deviation for JEE
Measures of dispersion; calculation of mean, median, mode of grouped and ungrouped data
Formula
\(\frac{Q_3-Q_1}{Q_3+Q_1}\)
Variables: \(Q_1,Q_3\): quartiles.
Conditions: Defined when \(Q_3+Q_1\ne 0\).
Comparing relative spread using quartiles.