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OpenStudy (anonymous):
Chosen at random, 500 rural and 500 urban persons age 65 or older were asked about their health and experience with prescription drugs. Would this be random sampling, simple random sampling, convenience sampling, stratified sampling, or cluster sampling? and discuss potential sources of bias (if any).
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OpenStudy (anonymous):
@hartnn can you please help
OpenStudy (anonymous):
thanks sooo much!:)))
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