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4 Tutorials that teach Range and Interquartile Range (IQR)
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Range and Interquartile Range (IQR)
Common Core: S.ID.2

Range and Interquartile Range (IQR)

Author: Ryan Backman

This lesson will explain range and interquartile range (IQR)

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Terms to Know
Interquartile Range

The difference between the third and first quartiles. It represents the range in which the middle 50% of the data points lie.


The difference between the largest and smallest number in a data set.

Formulas to Know
Interquartile Range

I Q R space equals space Q subscript 3 space minus space Q subscript 1


M a x i m u m space V a l u e space minus space M i n i m u m space V a l u e