Radon is a radioactive gas that seeps into homes from the soil. A research team investigates the hypothesis that radon causes lung cancer. They gather large amounts of data on basement radon levels and lung cancer incidence. Their data indicate that a significantly greater percentage of people with high levels of radon in their basement had lung cancer than people with low levels or no radon in their basements. Which of the conclusions below is appropriate to draw from their data?
a. Higher levels of radon in the basement of a home causes lung cancer in the home's occupants.
b. There is no definitive relationship between higher levels of radon in the basement of a home and lung cancer.
c. Higher levels of radon in the basement of a home is associated with a greater incidence of lung cancer in people who live there.
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Radon is a radioactive gas that seeps into homes from the soil. A research team investigates the hyp...
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