Interquartile range - Wikipedia
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 spread, or …
How to Find Interquartile Range (IQR) | Calculator & Examples
Sep 25, 2020 · In descriptive statistics, the interquartile range tells you the spread of the middle half of your distribution. Quartiles segment any distribution that’s ordered from low to high into four equal parts.
Interquartile Range (IQR): How to Find and Use It - Statistics by Jim
Aug 29, 2021 · The interquartile range is the middle half of the data that lies between the upper and lower quartiles. In other words, the interquartile range includes the 50% of data points that are above …
Interquartile Range (IQR): What it is and How to Find it
What is an Interquartile Range? The interquartile range (IQR) is the central half of any dataset. While a range is a measure of where the beginning and end are in a set, an interquartile range is a measure …
Interquartile Range in Statistics - GeeksforGeeks
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 …
How to Interpret Interquartile Range (With Examples) - Statology
May 11, 2021 · The interquartile range of a dataset, often abbreviated IQR, is the difference between the first quartile (the 25th percentile) and the third quartile (the 75th percentile) of the dataset.
Interquartile Range (IQR) in Statistics
May 11, 2025 · What Exactly is the Interquartile Range (IQR)? The Interquartile Range (IQR) is a measure of statistical dispersion. It represents the range encompassing the middle 50% of a dataset.
How to Find the Interquartile Range for a Statistical Sample
Mar 26, 2016 · To obtain a measure of variation based on the five-number summary of a statistical sample, you can find what's called the interquartile range, or IQR. The purpose of the five-number …
Interquartile Range: How to Calculate and Visualize IQR
Jun 5, 2024 · The interquartile range (IQR) is a statistical measure of the middle values of a sample data set that is separated into four equal parts. This middle-value grouping can provide a median range …
Master Statistics 101: Interquartile Range (IQR) - Geeky Steth
Sep 2, 2024 · What is the Interquartile Range? The Interquartile Range (IQR) is a measure of dispersion or variability that describes the range within which the middle 50% of your data lies.