What is the main purpose of ANOVA in statistics?
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The main purpose of ANOVA (Analysis of Variance) in statistics is to determine whether there are statistically significant differences between the means of three or more groups. It tests the null hypothesis that all group means are equal against the alternative hypothesis that at least one group mean is different. ANOVA helps identify if any observed differences in means are likely due to random chance or are statistically meaningful.
The main purpose of ANOVA (Analysis of Variance) in statistics is to determine whether there are statistically significant differences between the means of three or more groups
ANOVA is used to analyze the differences among group means in a sample to see if at least one group is statistically different from the others.