Question

Which of the following is accurate?
a. the reason that researchers use probability samples is because they guarantee representativeness of the sample
b. in general, the more heterogeneous a population, the smaller the sample needed for representativeness
c. a simple random sample is appropriate when the researcher wants to over-represent a characteristic in the population
d. a sample is representative of the population from which it is drawn if the aggregate characteristics of the sample approximate those of the general population

Answer

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