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You can search this electronic textbook for statistics topics including ANOVA, linear regression models, the effects of outliers, confidence intervals, etc. Gives explanations and discusses the topics.

This website explains the Analysis of Variance (ANOVA).

A helpful scientific calculator that runs in your web browser window.

This website provides graphical displays, an index of online calculators and summaries of main topis in statistics.

This site is designed to provide information, demonstrations, links and quizzes associated with the statistics and statistical methods for research design and analysis. It includes tuorials and applets

Online Textbook for a variety of statistical tests

An online statistics book with links to other statistics resources on the web.

The T-test tutorial page provides a good background for understanding ANOVA ("Analysis of Variance"). Like the two-sample t-test, ANOVA lets us test hypotheses about the mean (average) of a dependent variable across different groups.


Preliminaries, ANOVA with 1 between-subjects factor, Tests supplementing ANOVA, Formal model, Expected mean squares, Reporting results, Exercises