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This chapter of the HyperStat Online Textbook presents six sections on probability including conditional probability, unions, intersections, and the Binomial distribution. A link to exercises for the chapter is...
This slide show presentation, created by William Richards of The Vancouver Network Analysis Team, provides two good examples on using the Ztest for the difference between two means. Gives some good "plain language"...
Gives textbooklike explanation with some reallife data to compute a ttest and determine if two population means are equal. Also has some links for case studies and a webbased program called Dataplot. There is a...
This particular textbook lesson, presented by Cornell University's Research Methods Knowledge Base, addresses the independent ttest. It presents to the user how to compute the t statistic and then how to interpret the...
This site, created by author William M.K. Trochim, describes in detail five different types of random sampling. Some of these types include: simple random, stratified random, systematic random, cluster random,...

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