Box plots allow us to visualize the data by grouping it by position in four comparably sized classes. Using the five-number summary and a box plot, we can easily make comparisons between data sets. Ad...Box plots allow us to visualize the data by grouping it by position in four comparably sized classes. Using the five-number summary and a box plot, we can easily make comparisons between data sets. Additionally, we study the development of quartiles and percentiles to measure relative position.