Question

Do poorer people tend to have shorter lives than richer people? Two researchers ranked all counties in the United States by their poverty level and then divided them into 20 groups, each representing approximately 5% of the overall U.S population: The bottom 5% were the least impoverished (wealthiest) and top 5% (the 100th percentile) the most impoverished. Life expectancies at birth for each of the 20 groups were calculated based on life tables. The table contains the data poverty percentiles, higher percentiles correspond to greater poverty and life expectancies at birth (in years) in 2010 for males in the 20 groups. The researchers were also interested in the relationship between poverty level and life expectancy of women in 2010 in these 20 counties. The tables contain the data for both men and women in the 20 groups of counties. Percentile rank: 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Life expectancy of males: 79 79 78 77.5 77.5 77.5 77 76.5 77 76.5 76 76 77 76.5 75 75.5 74 74 73 Percentile rank: 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 Life expectancy of females: 83 83 82.5 82.5 82.5 82.5 82 81.5 82 82 81 81 81 82 81 80 80.5 79 79.5 79

          Do poorer people tend to have shorter lives than richer people? Two researchers ranked all counties in the United States by their poverty level and then divided them into 20 groups, each representing approximately 5% of the overall U.S population: The bottom 5% were the least impoverished (wealthiest) and top 5% (the 100th percentile) the most impoverished. Life expectancies at birth for each of the 20 groups were calculated based on life tables. The table contains the data poverty percentiles, higher percentiles correspond to greater poverty and life expectancies at birth (in years) in 2010 for males in the 20 groups. The researchers were also interested in the relationship between poverty level and life expectancy of women in 2010 in these 20 counties. The tables contain the data for both men and women in the 20 groups of counties.

Percentile rank: 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Life expectancy of males: 79 79 78 77.5 77.5 77.5 77 76.5 77 76.5 76 76 77 76.5 75 75.5 74 74 73

Percentile rank: 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
Life expectancy of females: 83 83 82.5 82.5 82.5 82.5 82 81.5 82 82 81 81 81 82 81 80 80.5 79 79.5 79

Added by Robert H.

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