Site contains information on the statistical term standard deviation. It gives a definition and shows how to calculate it. It has a link to information on the absolute value of a deviation and how the topics are related.

A quick definition and overview of statistical standard deviation. A piece of clip art is provided to aid in understanding, and links are given for related terms.

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

Explore the bell-shaped curve and how to calculate a z score. Additional links provided to further knowledge on outliers.

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