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 …

Sep 25, 2020 · Whereas the range gives you the spread of the whole data set, the interquartile range gives you the range of the middle half of a data set. When is the interquartile range …

Jul 26, 2025 · The Interquartile Range (IQR) helps us understand the spread of data which focuses on the middle 50% of a dataset. Unlike other measures of spread such as the range …

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 …

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 IQR describes the middle 50% of values when ordered from lowest to highest. To find the interquartile range (IQR), first find the median (middle value) of the lower and upper half of the …

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

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 …

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 …

May 8, 2025 · The interquartile range (IQR) is the difference between the third quartile and first quartile. The IQR is helpful because it is not affected by outliers in the data set. We can use …