Question: 4. What are the df for the between-group variance, dfB, in ANOVA? 1. dfB = k, where k = number of groups 2. dfB =
4. What are the df for the between-group variance, dfB, in ANOVA?
1. dfB = k, where k = number of groups 2. dfB = k − 1, where k = number of groups 3. dfB = n − k, where n = sample size and k = number of groups 4. dfB = n − 1, where n = sample size
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