Box and Whisker Plot Calculator - Free online Calculator - BYJUS In statistics, a box and whisker plot is used to display the graphical portrayal of the given set of data. It is a special type of graph that shows the three quartiles, such as Q1, Q2, and Q3. It means that the data can be divided into three quartiles. The lines extending from the box display the minimum and the maximum value for the given set of data. It provides additional information …