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

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 …

Aug 29, 2021 · How to Find the Interquartile Range (IQR) by Hand The formula for finding the interquartile range takes the third quartile value and subtracts the first quartile value.

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, …

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 …

In descriptive statistics, the interquartile range (IQR) is a measure of statistical dispersion, which is the spread of the data. [1] . The IQR may also be called the midspread, middle 50%, fourth …

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.

The Interquartile range formula helps in finding the difference between the third quartile and the first quartile. The Interquartile range formula measures the variability, based on dividing an …

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 …

In statistics, the interquartile range (IQR) is a measure of how spread out the data is. It is equal to the difference between the 75th and 25th percentiles, referred to as the third (Q3) and first …