# What is a box plot and why are they used?

The box-and-whisker plot is an exploratory graphic, created by John W. Tukey, used to show the distribution of a dataset (at a glance).

The box-and-whisker of course shows you more than just four split groups. You can also see which way the data sways. For example, if there are more people who eat a lot of burgers than eat a few, the median is going to be higher or the top whisker could be longer than the bottom one. Basically, it gives you a good overview of the data’s distribution.

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A box plot, also known as a box-and-whisker plot, is a graphical representation of the distribution of a dataset. It summarizes the minimum, first quartile, median, third quartile, and maximum values of a dataset. Box plots are used to visually display the spread and central tendency of the data, identify outliers, and compare distributions between different groups or categories.

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