Whiskers extend from the quartiles to the farthest observation not farther than 1.5 times the distance between the quartiles (the interquartile range). Beyond the whiskers, extreme observations are ...

it is more difficult to compare medians or ranges of the data from the histograms than it was from the box plots. Controlling the panels so that they have the same scale comes at a price.

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 ...

Bar charts and box plots are omnipresent in the scientific ... for example, part of the range covered by the bar might have never been observed in the sample. If our goal is to represent and ...