Comparative Box Plot
The following are true of a comparative box plot:
The data represented in the blue box plot are from people who have just started to work with a personal trainer.
The data represented in the pink box plot are from people who have worked with a personal trainer for two months.
How are they similar?
How are they different?
What comparison statements can you make about these two sets of data?
A double-bar graph can also be used to compare data sets.
In order to make comparisons, the box plots must describe the same variable.