In 2006, a new law passed in Massachusetts would require all residents to have health insurance. Low-income residents would get state subsidies to help pay insurance premiums, but everyone would pay something for health services. The plan would penalize people without any insurance and charge fees to employers who don€™t provide coverage. An ABC News/Washington Post poll4 involving n = 1027 adults nationwide asked the question, €œWould you support or oppose this plan in your state?€ The data that follows is based on the results of this study.

a. Are there significant differences in the proportions of those surveyed who support, oppose, and are unsure about this plan among Democrats, Independents, and Republicans? Use α = .05.

b. If significant differences exist, describe the nature of the differences by finding the proportions of those who support, oppose, and are unsure for each of the given affiliations.

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Affiliation Oppose Unsure Support 163 40 222 256 Democrats Independents 22 60 Republicans 235 24 5개