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 · 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.

To identify the interquartile range of a set of data, simply subtract the first quartile from the third quartile as follows: IQR = Q 3 - Q 1. Where Q 1 is the first, or lower quartile, and Q 3 is the …

Nov 4, 2025 · Find the IQR by subtracting Q 1 from Q 3. The minimum is the smallest value in a sample data set. Ordering a data set from lowest to highest value, x1 ≤ x2 ≤ x3 ≤ ... ≤ xn, the …

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 …

Jul 26, 2025 · IQR in Statistics is used to measure variability by dividing a data set into quartiles. The data is sorted in ascending order and split into 4 equal parts: Q1, Q2, Q3 called first, …

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 …

May 11, 2025 · In this comprehensive guide, we’ll delve deep into the Interquartile Range, exploring its definition, calculation, advantages, disadvantages, and practical applications.

Jun 19, 2025 · The IQR is calculated as the difference between the third quartile (Q3) and the first quartile (Q1) of a dataset. Quartiles divide the sorted dataset into four equal parts. Q1 …

Jun 5, 2024 · Use the following steps to successfully complete an interquartile range formula and find the IQR. To find interquartile range (IQR) within a data set, begin by ordering your values …