Multiple Choice
A pharmaceutical company interested in measuring how often physicians prescribe a certain drug has selected a simple random sample from each of two groups: M.D.(Medical Doctors) and D.O.(Osteopaths) .What is this type of sampling called?
A) Simple random sampling.
B) Cluster sampling.
C) Stratified random sampling.
D) None of these choices.
Correct Answer:
Verified
Correct Answer:
Verified
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