6th Grade · Statistics & Probability

Measure of Variation

6.SP.A.3

Definition

A value that describes how spread out a data set is, like range or IQR.

Examples

  • Range and IQR are both measures of variation.
  • A measure of variation describes spread, not center.

Key rule

Range and IQR both describe how spread out the data is.

Memory hook

How spread out, not where the middle is.