Question

Researchers were interested in the relationship between the number of doctors per person in US counties and the life expectancy of its citizens. Data was collected, and it was determined that a strong positive relationship exists between number of doctors and life expectancy. In other words, as the number of doctors in a county increased, so did life expectancy. The researchers also collected data on number of free health clinics in US counties. Number of free health clinics and life expectancy were also strongly related, but negatively, meaning that as the number of free health clinics increased, life expectancy decreased! (a) In what way might poverty be confounding the relationship between number of free health clinics and life expectancy? Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have higher life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy. Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy. Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have higher life expectancy. Counties with higher poverty tend to have fewer free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy. Counties with lower poverty tend to have more free health clinics. Counties with lower poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.

Researchers were interested in the relationship between the number of doctors per person in US counties and the life expectancy of its citizens. Data was collected, and it was determined that a strong positive relationship exists between number of doctors and life expectancy. In other words, as the number of doctors in a county increased, so did life expectancy. The researchers also collected data on number of free health clinics in US counties. Number of free health clinics and life expectancy were also strongly related, but negatively, meaning that as the number of free health clinics increased, life expectancy decreased!

(a) In what way might poverty be confounding the relationship between number of free health clinics and life expectancy?
Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have higher life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.
Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.
Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have higher life expectancy.
Counties with higher poverty tend to have fewer free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.
Counties with lower poverty tend to have more free health clinics. Counties with lower poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.

Researchers were interested in the relationship between the number of doctors per person in US counties and the life expectancy of its citizens. Data was collected, and it was determined that a strong positive relationship exists between number of doctors and life expectancy. In other words, as the number of doctors in a county increased, so did life expectancy. The researchers also collected data on number of free health clinics in US counties. Number of free health clinics and life expectancy were also strongly related, but negatively, meaning that as the number of free health clinics increased, life expectancy decreased!

(a) In what way might poverty be confounding the relationship between number of free health clinics and life expectancy?
Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have higher life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.
Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.
Counties with higher poverty tend to have more free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have higher life expectancy.
Counties with higher poverty tend to have fewer free health clinics. Counties with higher poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.
Counties with lower poverty tend to have more free health clinics. Counties with lower poverty tend to have lower life expectancy. Thus, counties with more free health clinics tend to have lower life expectancy.

Added by Alan B.

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