To be representative, a probability sample must

Question

Quizplus · Accepted Answer

A probability sample must include all characteristics of the population in the same proportion they are found in the population to be representative. Option A is incorrect because the sample size is not determined by a fixed percentage of the population. Option C is incorrect because overrepresenting small groups could introduce bias into the sample. Option D is incorrect because a comparison sample is not necessary for a probability sample to be representative.

To Be Representative, a Probability Sample Must