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Chemistry, 04.06.2021 18:20 cheerleaderautumnche

The 100 members of an extracurricular club at a nearby college are subdivided into 6 groups based on ethnic identification. Since 40% of the club is Caucasian, the researcher ensures that 40% of his sample is also Caucasian. The researcher is using
sampling.
A. cluster
B. stratified
C. random
D. systematic

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