1. Is it a myth that Democratic Party supporters are more educated than Independents and Republicans? Conduct a test to determine whether differences in education (EDUC) actually exist.
2. Does income affect the way Americans choose which party to support? Conduct a statistical procedure to determine whether there are differences in income (INCOME) between Democrats,
Independents, and Republicans.
3. Refer to Exercise 14.24. If differences in income exist, is it because higher-income Americans
work harder? Can we conclude from the data that there are differences in the hours worked (HRS1)
between the three political groups?
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