Researchers conduct a study to determine the effect of coffee consumption on the development of multiple sclerosis.
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Researchers conduct a study to determine the effect of coffee consumption on the development of multiple sclerosis. To perform the study, researchers asked 4408 adults in Sweden and 2331 adults in the United States how many cups of coffee they drink per day.
Determine whether the study is an observational study or an experiment. Explain.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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