Address key vocabulary in the seventh grade Common Core Math Standards with this comprehensive list. A series of word cards is also provided that supports each term with images and examples, making this an excellent tool for teaching the...

This World of Mathematics site by Eric Weisstein explains the term "Standard deviation." Provides step-by-step help, examples, and charts.

Explanation of frequency distributions, mean, standard deviations, and variance including a Java Applet.

Page centered around a computer program to determine mean, variance, and standard deviation.

MathForum answers a question on variance and standard deviation.

Very complete explanation of mean, standard deviation, etc. including an online calcluator for these statistics.

Explanation and examples of variance and standard deviation. Helpful charts and formulas are provided.

Quick definitions of these statistical terms are provided, then followed by an example covering both of them. This page is part of a larger series which gives simple explanations of common, useful statistical concepts.

Explanation of the different measures of dispersion (range, interquartile range, and standard deviation) are given.

Dozens of statistical terms are defined and illustrated in this glossary.

MathWorld offers a plethora of information on variance. Student should have some statistic knowledge to use this site. This site contains links to related topics.

A series of explanations of statistics terms based on the statistics from a dice game.

A variety of ways to display the results of a survey are listed, including tables, statistics and different types of graphs.