Analysis of Variance (ANOVA) A researcher went to a large factory and interviewed people from three groups- workers, managers, and owners-to see if there is a difference among them in terms of how much pride they take in their work. Given the following scores, with higher scores representing more pride in work, test the null hypothesis that pride in work does not differ by class. Write a concluding statement. Lower (workers) Middle (managers) Upper (owners) 1 4 8 3 7 7 2 5 6 5 6 9 4 8 5 2 6 6 3 5 7

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