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 author William M.K. Trochim, describes numerous methods of nonprobability sampling, including accidental, haphazard or convenience sampling and many other types of purposive methods. Some of these...
This site, created by authors Valerie Eastor and John H. McColl, lists definitions of key terms related to experimental design and ANOVA. Some of these include factorial, blocking, interaction, experimental design,...
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