Measures of Variation

Definition

Measures of variation describe how spread out or scattered the values in a data set are. They include range, variance, and standard deviation among others.

Related terms

Range:

The difference between the highest and lowest values in a dataset.

Variance:

A measure of how much individual data points differ from the mean value in a dataset.

Interquartile Range (IQR): The range within which the middle 50% of your data falls into.