6th Grade · Statistics & Probability

Mean Absolute Deviation

6.SP.B.5

Definition

The average of how far each data value is from the mean.

Teach it

Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.

Examples

  • For a data set with mean 5, find each |value − 5|, then average those distances.
  • MAD = sum of distances ÷ number of values.

Key rule

MAD is the average distance of values from the mean.

Memory hook

On average, how far from the mean?