Which of the following situations is most likely to produce a random sample?
A)a selection procedure that reduces the chances of selecting improbable events
B)balancing the sample with both improbable and probable elements of the population
C)a selection procedure devised so that each element in the population is equally likely to be selected
D)all of these

Question

Quizplus · Accepted Answer

A random sample is one in which every member of the population has an equal chance of being selected. Therefore, the selection procedure must be designed so that each element in the population is equally likely to be selected. Choices A and B do not ensure equal selection probabilities for all population members. Choice D is incorrect because reducing the chances of selecting improbable events or balancing the sample with both improbable and probable elements of the population does not guarantee that each element in the population has an equal chance of being selected.

Which of the Following Situations Is Most Likely to Produce