This site, presented by the Department of Statistics at Yale University, gives an explanation of, a definition for and an example of confidence intervals. It covers topics including inference about population mean and...
This resource, created by author Will G. Hopkins, defines what a p-value is, why .05 is significant, and when to use it. It also covers related topics such as one-tailed/two-tailed tests and hypothesis testing. Overall...
Gives textbook-like explanation with some real-life data to compute a t-test and determine if two population means are equal. Also has some links for case studies and a web-based program called Dataplot. There is a...
This site, created by the Department of Statistics at Yale University, gives an explanation, a definition and an example of chi-square goodness of fit test. Topics include chi-square test statistics, tests for discrete...
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