Here is a helpful video on Box and Whisker Plots (also known as Box Plots) from DMS Flipped Maths
Jan 242016
Sep 232015
Here is a video from UK maths teacher explaining how to draw box plots.
Here is some practice from Transum to make sure you understand Boxplots. https://www.transum.org/Maths/Exercise/Box_Plots.asp?Level=1