Box And Whisker Diagram Explained. Now the reason we call the two lines extending from the edge of the box whiskers is simply because they look like whiskers or mustache especially mustache of a cat. A box and whisker plot shows the minimum value first quartile median third quartile and maximum value of a data set.
The Box and Whisker consists of two partsthe main body called the Box and the thin vertical lines coming out of the Box called Whiskers. The box plot although very useful seems to get lost in areas outside of Statistics but Im not sure why. Box plot box and whisker diagram box and whisker plot with outliers.
The boxes may have lines extending vertically called whiskers.
Instead of showing the mean and the standard error the box-and-whisker plot shows the minimum first quartile median third quartile and maximum of a set of data. They provide a useful way to visualise the range and other characteristics of responses for a large group. Created by Sal Khan and Monterey Institute for Technology and Education. The five-number summary is the minimum first quartile median third quartile and maximum.
