Anova refers to Analysis of variance. It is a concept introduced by the statistician and evolutionary biologist Ronald Fisher. It is a collection of statistical models, to analyze and find the difference between the group means and their related procedures. It opts a statistical test to find whether the means of several groups are equal. At last it generalizes the t-test for more than two groups. It is very similar to multiple two-sample t-tests, thus aids in solving wide range of practical statistical problems.
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