The Bureau of Labor Statistics recently reported that 20% of households in the United States live below the poverty line

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The Bureau Of Labor Statistics Recently Reported That 20 Of Households In The United States Live Below The Poverty Line 1 (46.64 KiB) Viewed 69 times

The Bureau of Labor Statistics recently reported that 20% of households in the United States live below the poverty line. You believe that the percentage of people in Arizona that live below the poverty level is lower or below the national average. You collect data from 81 cities in Arizona and find that, on average, 18.5% of households live below the poverty line with a standard deviation of 2%. Test you claim using a 5% significance level and treat percentages as whole numbers like you did on the homework. Hint, treat the percentages as whole numbers in the formula (Ex. If plugging in 20%, plug in 20). Test Statistic = -71.5. We cannot prove that percentage of people in Arizona that live below the poverty level is lower than the national average. Test Statistic = -11.2. We cannot prove that percentage of people in Arizona that live below the poverty level is lower than the national average. Test Statistic = -11.92. We can prove that percentage of people in Arizona that live below the poverty level is lower than the national average. Test Statistic = -675 Winnnnnten