Measures of Dispersion

How Do You Find the Range of a Data Set?

The range of a data set is the difference between the largest number and the smallest number. In this tutorial, you'll see how to find the range of a set of data. Check it out!
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!
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?
How Do You Find the Standard Deviation of a Data Set?

Organization is a key part of finding the standard deviation of a data set. This tutorial takes you through the entire process one step at a time!