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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.
Applet
Power, Type I & Type II errors
Source
Java Applets for the Visualization of Statistical Concepts (VESTAC)
Description
For a test for two means, allows user to change the true means, standard deviation, sample size, and significance level to illustrate effects on alpha, Type I and Type II error, or Type II error and power, shown visually.
Hypothesis testing, Hypothesis testing for two means, Power
Visit Count
155330
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