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

Feb 24, 2025 · The IQR is the "interquartile range" of a data set. It is used in statistical analysis to help draw conclusions about a set of numbers. The IQR is often preferred over the range because it …

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 …

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 …

Nov 4, 2025 · This quartile calculator and interquartile range calculator finds first quartile Q 1, second quartile Q 2 and third quartile Q 3 of a data set. It also finds median, minimum, maximum, and …

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

Dec 29, 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.

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).

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 …