Interquartile range (IQR) (Full video)

Khan Academy
Description: The IQR describes the middle 50% of values when ordered from lowest to highest. To find the interquartile range (IQR), ​first find the median (middle value) of the lower and upper half of the data. These values are quartile 1 (Q1) and quartile 3 (Q3). The IQR is the difference between Q3 and Q1.

You must log inorsign upif you want to:*

*Teacher Advisor is 100% free.