Sep 25, 2020 · Interquartile range calculator You can calculate the interquartile range by hand or with the help of our interquartile range calculator below.

Aug 29, 2021 · I’ll show you how to find the interquartile range, use it to measure variability, graph it in boxplots to assess distribution properties, use it to identify outliers, and test whether your data are …

Feb 24, 2025 · To find the IQR, start by arranging the numbers in your data set from lowest to highest. Then, divide your data set in half and find the median of both the lower and upper half.

The interquartile range on a box and whiskers chart [1]. The interquartile range formula is the first quartile subtracted from the third quartile: IQR = Q3 – Q1. The IQR gives us a sense of the data’s …

Dec 10, 2025 · The Interquartile Range (IQR) tells us how spread out the middle 50% of the data is. It is less affected by extreme values and gives a better idea of how tightly or loosely the central data …

The article below explains the interquartile range definition, how to find the interquartile range using the IQR formula, and shows a fully worked example of calculating the interquartile range.

Apr 2, 2025 · The Interquartile Range, or IQR, is a way to measure how spread out the middle 50% of your data is. It helps you understand how “tightly packed” or “spread out” your values are— without …

Learn how to find interquartile range, Solved examples, and Formula. Make your child a Math Thinker, the Cuemath way.

How do you find the interquartile range of a data set? To find the interquartile range (I Q R) (I QR) of a data set, subtract the lower quartile (Q 1) (Q1) from the upper quartile (Q 3).

Jan 8, 2025 · Learn how to find the interquartile range (IQR) with this simple guide. Understand its importance in analyzing data spread and variability.