T.i.P.S.

Students must understand that the mean absolute deviation describes the dispersion or spread of data. Students should be able to find the mean from a given set of data. Students will need to find the average of a set of numbers then subtract each number from that mean and average the absolute value of those numbers.
Example

The table shows the number of contacts six people each have stored in their cell phone.What is the mean absolute deviation for this set of data?
Resources

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TEKS

8.11 Measurement and data. The student applies mathematical process standards to use statistical procedures to describe data. The student is expected to:
(B) determine the mean absolute deviation and use this quantity as a measure of the average distance data are from the mean using a data set of no more than 10 data points