Box and Whisker Plots


the box and whisker plot or diagram is useful for comparing two or more distributions of data.

each plot is drawn using the median, quartiles and highest and lowest values.

Key Skills

  • display the median, quartiles, maximum and minimum values of sets of data on a box and whisker diagram
  • read information about a set of data from a box and whisker diagram
  • compare different data sets using box and whisker plots


box and whisker diagrammedianlower quartile, upper quartile, quartiles, interquartile range.