In Problems, determine whether the study
Chapter 1, Problem 9E(choose chapter or problem)
Problem 9E
In Problems, determine whether the study depicts an observational study or an experiment.
Researchers wanted to know if there is a link between proximity to high-tension wires and the rate of leukemia in children. To conduct the study, researchers compared the rate of leukemia for children who lived within 1/2 mile of high-tension wires to the rate of leukemia for children who did not live within 1/2 mile of high-tension wires.
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