Describe the circumstances under which you should use ANOVA

Describe the circumstances under which you should use ANOVA instead of t tests, and explain why t tests are inappropriate in these circumstances.

Solution

Though the intention of ANOVA and t Test is same that is to test whether two or more samples come from a same population or not. But, in case of more than 2 groups ANOVA is used instead of a t test. ANOVA is preffered in case of more than 2 groups as ANOVA uses F ratio, and it is like impossible to calculate sample means difference if there is more than 2 groups.