In 916, determine whether the study depicts an observational study or an experiment
Chapter 1, Problem 9(choose chapter or problem)
In 916, determine whether the study depicts an observational study or an experiment. Researchers wanted to know if there is a link betweenproximity to high-tension wires and the rate of leukemia inchildren. To conduct the study, researchers compared the rate ofleukemia for children who lived within 12 mile of high-tensionwires to the rate of leukemia for children who did not live within12 mile of high-tension wires.
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