In statistics, quartiles are a type of quantiles which divide the number of data points into four parts, or quarters, of more-or-less equal size. The data must be ordered from smallest to largest to …

Jul 24, 2025 · Quartiles divide a data set into four equal parts, each containing 25% of the data. They help to understand the spread and center of the data. As an important concept in …

Quartiles are the values that divide a list of numbers into quarters.

Aug 3, 2025 · Discover what quartiles are in statistics, how to calculate them, and see examples to help you interpret data more effectively. Learn about lower, median, and upper quartiles.

May 20, 2022 · In a sample or dataset, the quartiles divide the data into four groups with equal numbers of observations. In a probability distribution, the quartiles divide the distribution’s …

Quartiles are three values that split your dataset into quarters. They are a type of quantile that splits the data into four equal-sized groups and tells you where a score stands relative to other …

Apr 26, 2021 · This tutorial explains the difference between percentiles, quartiles, and quantiles, including several examples.

There are three quartiles: The first quartile (Q1) represents the first 1/4 of the data set (25%). The second quartile (Q2) represents the first 2/4 of the data set (50%). The third quartile (Q3) …

Here you will learn about a quartile, including what a quartile is, how to find the lower quartile and upper quartile for a set of data, and why these measures are useful. Students will first learn …

Aug 26, 2025 · Quartiles represent one of the most commonly used quantile systems, splitting datasets into four equal parts. The first quartile (Q1) marks the 25th percentile, the second …