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Searched for: Audience is College --Undergrad Lower Division
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View Resource Hypothesis Testing

This PowerPoint lecture presentation discusses comparing the means of two dependent populations using the paired T-test and defines the concepts of this hypothesis test. The original presentation is available for downloading.

http://www.stat.psu.edu/old_resources/ClassNotes/ljs_24/
View Resource Statistics at Square One: Statements of Probability and Confidence Intervals

This section of an online textbook discusses, through examples, making statements about the probability of an occurence based on standard deviation. It additionally explores using confidence intervals to relate a sample to its corresponding population. Exercises are provided as well as answers.

http://bmj.bmjjournals.com/collections/statsbk/4.shtml
View Resource Statistics at Square One: Populations and Samples

This is part of an online textbook, which defines populations and samples, bias and randomization, variation between samples, standard error of the mean and of a proportion. Related exercises are included with answers.

http://bmj.bmjjournals.com/collections/statsbk/3.shtml
View Resource Statistics at Square One: Mean and Standard Deviation

This site discusses the standard deviation of grouped and ungrouped data, data transformation, and the standard deviation between and within subjects. Exercises are provided as well as the answers.

http://bmj.bmjjournals.com/collections/statsbk/2.shtml
View Resource Statistics at Square One: Data Display and Summary

This site discusses types of data, stem and leaf plots, mean and median, histograms, and barcharts. Exercises are also provided, as well as their corresponding answers.

http://bmj.bmjjournals.com/collections/statsbk/1.shtml
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