The box plot shown is illustrating the amount of income a person makes based on their gender. The income amounts are shown on the y-axis, and the various salary grades are shown on the x-axis. A box plot provides you with a simple data summary of a set of data. Box plots are often referred to a box and whisker diagrams, and they are generally utilized when two or more sets of data are being compared. They are also useful in showing the measure of central location, or the median, as well as the average and the measures of dispersion.
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