Which statement about bias is true?
I. Bias results from random variation and will always be present.
II. Bias results from a sampling method likely to produce samples that do not represent the
Population.
III. Bias is usually reduced when sample size is larger.
A) II only
B) I and III only
C) II and III only
D) I only
E) III only

Question

Quizplus · Accepted Answer

Bias results from a sampling method likely to produce samples that do not represent the population. It is not due to random variation, and increasing sample size does not reduce bias.

Which Statement About Bias Is True