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Lesson Plan

9. Calculate interquartile range (FP)

teaches Common Core State Standards 6.DS.4
teaches Common Core State Standards MAFS.6.SP.1.3
teaches Common Core State Standards CCSS.Math.Content.6.SP.A.3
teaches Common Core State Standards CCSS.Math.Practice.MP1
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Lesson objective: Compute the five number summary, range, and interquartile range.

This lesson helps to build procedural skill with calculating measures of variability. A numeric dataset is used here because it supports calculating the five number summary. This work develops students' understanding that a measure of variability is a number that describes the variation of a dataset.

Students engage in Mathematical Practice 1 (Make sense of and persevere through problems) as they calculate multiple descriptive statistical measures.

Key vocabulary:

  • five number summary
  • interquartile range
  • maximum
  • median
  • minimum
  • quartile
  • range

Special materials needed:

  • none
Related content

Appears in

Data distributions

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