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Java Applets for Power and Sample Size

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Visit this site: http://www.cs.uiowa.edu/~rlenth/Power/
Author:Russ Lenth, The University of Iowa
Description: Graphical interfaces for studying the power of statistical tests: confidence intervals for one proportion or one mean, tests of one proportion or comparing two proportions, one-sample t-test (or paired t), two-sample t-test (pooled or Satterthwaite), and ANOVA test. Each includes sliders (convertible to number-entry fields) for varying parameters, and a simple provision for graphing one variable against another.
Levels: High School (9-12), College
Languages: English
Resource Types: Web Interactive/Java
Math Topics: Statistics

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