What defining feature of a simple random sample distinguishes it from other probability sampling designs?
A) It does not require a sampling frame for the selection of cases.
B) Every case is randomly selected.
C) Every case has a known probability of being selected.
D) Every combination of cases has an equal chance of being selected.

Question

Quizplus · Accepted Answer

A simple random sample is characterized by the fact that every combination of cases has an equal chance of being selected, ensuring that the sample is representative of the population.

What Defining Feature of a Simple Random Sample Distinguishes It