Describe the Spread of Data by Finding Range, Interquartile Range, and Mean Absolute Deviation

This Describe the Spread of Data by Finding Range, Interquartile Range, and Mean Absolute Deviation video also includes:

Start with a good understanding of the box and whisker plot before completing this activity. The resource focus is on the three measures of spread: range, interquartile range, and mean absolute deviation. A new concept in elementary school, the mean absolute deviation is presented in a way that is easy to understand. Explain to your number crunchers that we use this number to help us determine if the mean is useful. 

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CCSS: Designed
Instructional Ideas

  • Even high school statistic students will benefit from watching the video.
Classroom Considerations

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Pros

  • A guided practice and a quick check for understanding is included in the resource
  • Describes how to find and use the mean absolute deviation
  • The third in a series of three videos that show learners how to summarize numerical data sets in relation to their context
Cons

  • None
Common Core