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Analysis of variance (ANOVA) is used when comparing the means of three or more groups to determine if at least one group mean is statistically different from the others. It is appropriate when the data meets certain assumptions, such as normality and homogeneity of variances. ANOVA helps in identifying the effect of one or more categorical independent variables on a continuous dependent variable. It's commonly used in experimental designs and observational studies to evaluate group differences.

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2w ago

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