In an effort to learn more about the wild lemur population in Madagascar, a researcher wants to collect a sample. Which statement is true? A. The researcher can assign each lemur a number and then use systematic sampling.
B. It is possible to collect a simple random sample of all wild lemurs in Madagascar.
C. Sample bias is inevitable because the researcher can only collect a convenience sample.
D. To reduce time and cost, the researcher must collect a volunteer sample.