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Tableau Cookbook – Recipes for Data Visualization by Shweta Sankhe-Savale

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Creating a Box and Whisker plot

The Box plot, or Box and Whisker plot as it is popularly known, is a convenient statistical representation of the variation in a statistical population. It is a great way of showing a number of data points as well as showing the outliers and the central tendencies of data.

This visual representation of the distribution within a dataset was first introduced by American mathematician John W. Tukey in 1969. A box plot is significantly easier to plot than say a histogram and it does not require the user to make assumptions regarding the bin sizes and number of bins; and yet it gives significant insight into the distribution of the dataset.

The box plot primarily consists of four parts:

The median provides the central tendency ...

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