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A researcher conducts a clinical trial with two treatments. They block participants by gender (Male, Female) to reduce variance. If there are 60 Males and 40 Females, and the researcher wants a sample of 50 people with proportional allocation, how many females should be sampled?
A researcher conducts a clinical trial with two treatments. They block participants by gender (Male, Female) to reduce variance. If there are 60 Males and 40 Females, and the researcher wants a sample of 50 people with proportional allocation, how many females should be sampled?