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Searched for: Statistical Topic is Statistical Inference and Techniques -- One Numerical Variable Methods -- Location
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View Resource Margin of Error

This resource explains margin of error using an example on presidential popularity polls.

http://www.robertniles.com/stats/margin.shtml
View Resource IDEAL: Hypothesis Testing for Paired Differences in Means

This page provides three examples designed to illustrate hypothesis testing for paired differences in means. Example #2 requires Lisp-Stat. The other two examples each contain applets that calculate the test statistic and p-value. Examples #1 and #3 are about city murder rates and types of corn seed, respectively.

https://ideal.stat.wvu.edu:8443/ideal/resource/modules/1/Hyp...
View Resource IDEAL: Two-Sample Hypothesis Testing

This example compares balance measurements in elderly people with those of young men through two-sample hypothesis testing for means. Two applets are provided; one for testing the assumptions beneath two-sample hypothesis tests, and one for calculating the test statistic and p-value.

https://ideal.stat.wvu.edu:8443/ideal/resource/modules/1/Hyp...
View Resource IDEAL: Hypothesis Testing

This module introduces hypothesis testing with an example on breast cancer rates of Peurto Rican women. The applet provided allows users to manipulate power type, sigma, alpha, delta, and sample size. The Example link at the bottom of the page provides a more detailed discussion of power and instructions for the applet.

https://ideal.stat.wvu.edu:8443/ideal/resource/modules/1/Hyp...
View Resource Student's T

This resource explains the t-distribution and hypothesis testing (informally) using an example on laptop quality.

http://www.robertniles.com/stats/tscore.shtml
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