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O False 7 of 50 A clinical researcher wants to be sure that her data includes test results from ethnic groups in proportion to their
O False 7 of 50 A clinical researcher wants to be sure that her data includes test results from ethnic groups in proportion to their presence in the population she is drawing participants from. What sampling method should she use? Random sampling Stratified sampling Cluster sampling Convenience sampling Systematic sampling 8 of 50
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