The box plot shows the marks in a science test for a group of students. What is the range of the data? What is the lower quartile? Calculate the interquartile range of the data. The top 25% of the ...

Visualization methods enhance our understanding of sample data and help us make comparisons across samples. Box plots are a simple but powerful graphing tool that can be used in place of ...

That chart form is a box plot, also called a box and whisker plot. The bar charts compared the times visitors spent at the various exhibitions by comparing their medians. Summary statistics such ...