IQR

Definition

The IQR, or Interquartile Range, is a measure of variability in a dataset. It represents the range between the first quartile (Q1) and the third quartile (Q3), and it is used to identify the spread or dispersion of the middle 50% of data values.

Related terms

Outliers: Data points that are significantly different from other values in a dataset.

Boxplot: A visual representation of data using quartiles, outliers, and whiskers to show distribution and identify potential outliers.

Five-number summary: A set of descriptive statistics consisting of minimum value, Q1 (first quartile), median (Q2), Q3 (third quartile), and maximum value.