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1 A sample of 120 adult U.S. residents reveals the following mean income by ethnicity: European-American African-American Asian-American $37,000 $34,000 $49,000 The F ratio is

1 A sample of 120 adult U.S. residents reveals the following mean income by ethnicity: European-American African-American Asian-American $37,000 $34,000 $49,000 The F ratio is 5.2. a How do you interpret these results? Are there any statistically significant differences, and what can you say about them? b What could you do next to refine your analysis

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