How to Understand and Interpret Box Plots

Eugeniu Ghelbur
4 min readDec 8, 2023

Visualizations play a crucial role in understanding and interpreting complex datasets in data analytics and statistics. Among these visual tools, the box plot, also known as a box-and-whisker plot, stands out for its simplicity and depth. This article aims to demystify box plots, guiding you through their structure, interpretation, and practical applications in data analysis.

What is a Box Plot?

A box plot is a standardized way of displaying the distribution of a dataset based on a five-number summary: minimum, first quartile (Q1), median, third quartile (Q3), and maximum. It provides a visual summary of the data's central tendency, dispersion, and skewness.

Structure of a Box Plot

The example we’ve provided is a standard box plot, which is a graphical representation of the distribution of a dataset. Here’s how to interpret it:

  1. Minimum (Q0): The leftmost line represents the minimum value in the data set that is…

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Eugeniu Ghelbur

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