A biased sample can never be
A) selected from a single population
B) selected when the parameters are known
C) selected when the entire population is available
D) representative of the population

Question

Quizplus · Accepted Answer

A biased sample is one in which certain members of the population are more likely to be included than others, which means that it is not representative of the population as a whole. Therefore, option D is the correct choice as it states that a biased sample can never be representative of the population. Options A, B, and C are incorrect as they do not describe the essential characteristic of a biased sample. A biased sample can be selected from a single population, parameters being known, or entire population being available, but it will not accurately represent the entire population.

A Biased Sample Can Never Be