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User Agreement
Resources for Statistics Instructors.
For classroom use only,
not for commercial purposes.
Links to publicly available applets
compiled by Dr. Concetta DePaolo.
Site contains no original content,
any copyrights retained by authors.
Three applets are similar, simulate 1- or 2-tailed tests for one or two means (using Z or T) or proportions, user can change population parameters, significance level, and mean of alternative distribution to see effects on power (displayed graphically).
Hypothesis testing, Hypothesis testing for one mean, Hypothesis testing for one proportion, Hypothesis testing for two means, Power, Simulation
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