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In this lesson, you will learn how to draw and interpret box plots, also known as box-and-whisker plots. In statistics, we use box plots to graphically represent the median of a data set along with the minimum value, maximum value, and the quartiles of the data. It makes it very easy to visualize the data set in one chart or graph. The box portion of the plot encloses Q1, Q2, and Q3. The whisker part of the plot illustrations the outliers, max and min values, of the data set.