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Z-test for Difference Between Means
This slide show presentation, created by William Richards of The Vancouver Network Analysis Team, provides two good examples on using the Z-test for the difference between two means. Gives some good "plain language"...
HyperStat Online: Ch. 4 Introduction to Probability
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 applet demonstrates the partitioning of sums of squares in analysis of variance (ANOVA). It includes some sample values and allows the user to make adjustments, which then shows the new values in the ANOVA table. ...
Research Methods Knowledge Base : The t-Test
This particular textbook lesson, presented by Cornell University's Research Methods Knowledge Base, addresses the independent t-test. It presents to the user how to compute the t statistic and then how to interpret the...
Two-Sample t-Test for Equal Means (Engineering Statistics Handbook)
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...
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