https://www.statisticshowto.datasciencecentral.com/probability-and-statistics/interquartile-range/#IQRSPSS

Box Plot interquartile range: How to find it

Sample question: Find the interquartile range for the above box plot.

![](<https://s3-us-west-2.amazonaws.com/secure.notion-static.com/1eb24583-e169-4589-a36b-ffbcf9d5fb95/boxplot2.bmp>)

finding q1 on the boxplot graph

![](<https://s3-us-west-2.amazonaws.com/secure.notion-static.com/855f0b8b-2c58-4a8a-b2a8-f0a70d193681/boxplot3.bmp>)

finding q3 on the boxplot

That’s it!

Step 5: Press the “Enter” key. Excel will return the IQR in the cell you clicked in Step 4