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When would a researcher use anova for data analysis

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Reference no: EM131077773

1. Why do we need the ANOVA procedure? Why can't we just do multiple independent sample t-tests?

2. When would a researcher use ANOVA for data analysis? Provide an example

3. What is a post-hoc analysis and why is it important when using ANOVA?

Reference no: EM131077773

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