Question: Q1. In H1( alternative hypothesis) for ANOVA, does it mean all the population means for groups are different from each other? why or why not?

Q1. In H1( alternative hypothesis) for ANOVA, does it mean all the population means for groups are different from each other? why or why not?

Q2. For the normality assumption for ANOVA, do we need test the normality for each group or all groups combined? why or why not? And how to test in SPSS?

Q3. How to check equal variance assumption in SPSS for ANOVA?

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