Mathematics, 11.02.2020 19:43 kira3039

At a large university a simple random sample of 5 female professors is selected and a simple random sample of 10 male professors is selected. The two samples are combined to give an overall sample of 15 professors. The overall sample is .A. a simple random sample. B. biased due to imbalance. C. a stratified sample. D. all of the above.

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