# 8. Calculate mean absolute deviation (FP)

teaches Common Core State Standards CCSS.Math.Content.6.SP.A.3 http://corestandards.org/Math/Content/6/SP/A/3
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1

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Lesson objective: Compute the mean absolute deviation of a dataset.

This lesson helps to build procedural skill with calculating mean absolute deviation. A table is used here because it supports organization of computations. This work develops students' understanding that measures of variation describe how a dataset varies with one number.

Students engage in Mathematical Practice 1 (Make sense of and persevere through problems) as they complete multi-step procedures to calculate the mean absolute deviations of datasets including whole and decimal numbers.

Key vocabulary:

• deviation
• mean
• mean absolute deviation

Special materials needed:

• none
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