Box and whisker chart
The box and whisker chart is a niche chart for visualizing statistical measures of central tendency – mean, median, outliers, and quartiles. This can be very difficult to read for an audience not accustomed to the chart and the measures, but in an academic or research environment, it may be the only way to convey all those vital details in one plot.
The following screenshot shows a box and whisker chart plot of a daily series of sales order values showing the outliers, mean, median, and quartiles. It can be a very rich source of insights for a statistician when describing order patterns:
Figure 8.39 – Box and whisker chart of daily order values
That brings us to the end of the box and whisker chart; we will move on to the next chart.