Question

State and local governments often poll their constituents about their views on the economy. In two polls taken approximately 1 year apart, O’Neil Associates asked 600 Maricopa County, Arizona, residents whether they thought the state’s economy would improve over the next 2 years. In the first poll, 48% said “yes”; in the second poll, 60% said “yes.” At the 1% significance level, do the data provide sufficient evidence to conclude that the percentage of Maricopa County residents who thought the state’s economy would improve over the next 2 years was less during the time of the first poll than during the time of the second?


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  • CreatedAugust 13, 2015
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