Box plots

Histograms are by no means the only way to visually gain an understanding of our data. Another commonly used type of plot is called a box plot. This type of plot also gives us an idea about the grouping and spread of values in a distribution, but, as opposed to the histogram, the box plot has several marked features that help guide our eyes:

Because the borders of the boxes in the box plots are defined by the median, first quartile (25% quantile/percentile), and third quartile, the same number of distribution values that are contained in the two central boxes. If one box is bigger than the other, it means that the distribution is ...

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