Measures of Variation

How Do You Make a Box-and-Whisker Plot?

A box-and-whisker plot can help you get a better picture of what your data looks like visually. This tutorial shows you the step-by-step process for making a box-and-whisker plot!
How Do You Compare Two Data Sets Using Box-and-Whisker Plots?
What is the Interquartile Range?

Being able to disect a set of data and better understand it is a key part of mastering statistics. This tutorial teaches you about one of these disection tools called the interquartile range.
What is a Box-and-Whisker Plot?