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# Math Curriculum

## Level DUnit: Statistics and ProbabilityKey Lesson 6.8.11 Variability and MAD

Lesson topic: Mean average deviation (MAD)

## Instructor Materials

• Teacher guide
• Slides
• Practice Problems resource
• CCRS standard: 6.SP.2, 6.SP.3, 6.SP.5c
• Learning goal: Calculate the mean absolute deviation (MAD) for a data set and interpret what it tells us about the situation. Compare and contrast (in writing) distributions that have the same mean, but different amounts of variability. Comprehend that “mean absolute deviation (MAD)” is a measure of variability, i.e., a single number summarizing how spread out the data set is.
• 6.8 Assessment and Practice Problems

## Related Lessons

### Review and Extend

Use these supplemental lessons if needed after teaching this key lesson.

Used with permission:

1. IM K-5 Math was originally developed by Open Up Resources (OUR) and authored by Illustrative Mathematics® (IM), and is copyrighted 2017-2019 by Open Up Resources. It is licensed under the Creative Commons Attribution 4.0 International License (CC BY 4.0). OUR's K-5 Math Curriculum is available at https://openupresources.org/math-curriculum/.