Can you explain when to use ANOVA?
ANOVA, or Analysis of Variance, is used when comparing three or more groups to see if at least one group mean is different.
What are the assumptions I need to check before using ANOVA?
You need to check for normality, homogeneity of variances, and independence of observations.
Can ANOVA be used for two groups?
Yes, but it's more common to use a t-test for two groups. ANOVA is best for three or more.
What are some common types of ANOVA?
Common types include one-way ANOVA, two-way ANOVA, and repeated measures ANOVA.
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