A sample in which the sampling units are chosen from the population by means of a random mechanism is a _____ sample.
A)probability
B)judgmental
C)convenience
D)voluntary response

Question

Quizplus · Accepted Answer

A probability sample is one in which the sampling units are chosen from the population by means of a random mechanism, ensuring that every unit has a known and non-zero chance of being selected.

A Sample in Which the Sampling Units Are Chosen from the Population