Wednesday, June 20, 2018

ANOVA | Analysis of Variance

Analysis of variance (ANOVA) is used to compare means of two or more samples. While t test can be used to compare means for two samples, it can not be used for more than two. Anova is used in such situation.



ANOVA was invented by Sir Ronald Fisher who applied this technique first to agriculture and cotton industry



It is now a popular technique used in many areas, most notably in design of experiments.













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