2.4 Box Plots
Box plots (also called box-and-whisker plots or box-whisker plots) give a good graphical image of the concentration of the data. They also show how far the extreme values are from most of the data.
A box plot is a graphical representation of a five-number summary.
Video Example: 5 Number Summary from Box Plots
Video Example: Outliers and Modified Box-and-whisker plot
Video Example: Comparing Box Plots
It is important to include the horizontal number line with appropriate scale with a box plot and label the variable that the box plot represents.
Practice
Review & Practice
Review Comparing Displays: Comparing dot plots, histograms, and box plots
After completing the review above, complete the practice exercise.
Practice Exercise
Practice
