Explain when ANOVA is used. What assumptions need to be fulfilled before testing with ANOVA?

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Accepted Answer

ANOVA is used to compare means of three or more groups. Assumptions include normality, homogeneity of variances, and independence.

ANOVA is used to compare means of three or more groups to determine if there is a significant difference among them.
Assumptions for ANOVA include normality of data within each group, homogeneity of variances between groups, and independence of observations.
Example: ANOVA can be used to compare the average test scores of students in different schools to see if there is a significant difference in performance.