Skip to main content

Copy of DIY Maths: Range, variation and standard deviation

RANGE, VARIATION AND STANDARD DEVIATION

In this module, you can study the basic statistical measures of dispersion: range, variance and standard deviation.

 

The video above is a good explanation from Khan Academy about statistical measures of dispersion: range, variance and standard deviation.

Did you know?

Variation and standard deviation both show how spread out the data set is. 

A data set of any size can have a large or a small standard deviation.


Study and practice

Calculator

Embed Calculator requires a newer version of Adobe Flash Player.

You must have the current version of the adobe flash player to use this online calculator.

(http://www.embedcalculator.com)

Search Google

Use these search terms to find your own resources:

measures of dispersion
range, variance and standard deviation

Find help