2.3 Summarising Data: Box and Whisker Plot

  • The box and whisker plot is a diagram showing statistical distribution of a data set.
  • Learners are only expected to interpret not draw, they should be able to locate minimum, maximum, median and quartile values (the five number summary on the plot)
  • Box and whisker plots as graphical representation of quartiles:
The Box and Whisker Diagram

Diagram 1

Diagram 2



Khan Academy. (2011). Box and whisker plot (Standard YouTube licence)