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This applet demonstrates the concept of power. Users select the hypothesized mean, the alternative mean, the sample size, and the number of samples. The applet shows the hypothesized histogram and the alternative histogram. Users then select either the level of significance and set alpha or the rejection region and set the test statistic. The applet then shows the p-value (in red) and power (in green). User can also determine the direction of the test by clicking the inequality sign.
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Resource Type
Email Address,
Date Of Record Creation 2006-07-31 14:42:43
Date Of Record Release 2005-06-20 13:27:33
Date Last Modified 2006-07-31 14:47:54
Statistical Topic
Material Type
Author Name Allan Rossman, Beth Chance
Author Organization California Polytechnic State University
Technical Requirements Java Applet
Source Code Available
Intended User Role
Cost involved with use
Math Level

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