Mathematics, 15.04.2020 01:22 skylarsikora22
An opinion poll is to be given to a sample of 90 members of a local gym. The members are first divided into men and women, and then a simple random sample of 45 men and a separate simple random sample of 45 women are taken. What sampling technique is using?
(A) A block design.
(B) A double-blind simple random sample.
(C) A stratified random sample.
(D) A randomized comparative experiment.
Answers: 3
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An opinion poll is to be given to a sample of 90 members of a local gym. The members are first divid...
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