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 …

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 …

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, …

You can use this interquartile range calculator to determine the interquartile range of a set of numbers, including the first quartile, third quartile, and median.

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 …

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 …

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 …

Learn how to find the Interquartile Range (IQR) with clear explanations, practical tips, and tools to improve your data analysis skills!