Tuesday, June 30, 2009

Understand F - Test more easy way

Prof. R.A. Fisher used the word variance first time in 1920 for the statistical analysis of data . This variance is used for calculating variation . Prof. R.A. Fisher developed a new technique for analysis the variance and study the features of two and more variables variation . If we have to investigate chi - square variates , then we should use F -Test . In other words , it is sample test for analysis chi square variation .

Its formula is given below :-

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