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Home Q & A Board Science-Related Homework Help Mathematics
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slapaburger slapaburger
wrote...
6 years ago
A medical researcher is interested in investigating the relationship between smoking and heart attacks Briefly describe how the researcher might design an observational study to investigate the relationship between smoking and heart attacks
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wrote...
#1
6 years ago
Randomly sample a group of smokers and randomly sample a group of nonsmokers. Follow these individuals and find the proportion of each group that has a heart attack. Or, sample a group of individuals that had a heart attack and find out what proportion of them smoked and what proportion did not smoke.
slapaburger Author
wrote...
#2
6 years ago
Thank you so very much, was really helpful
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