Which is true about sampling?
I. An attempt to take a census will always result in less bias than sampling.
II. Sampling error is usually reduced when the sample size is larger.
III. Sampling error is the result of random variations and is always present.
A) III only
B) I, II, and III
C) II only
D) I only
E) II and III

Question

Quizplus · Accepted Answer

Sampling error is typically reduced with larger sample sizes, and it is a result of random variations, thus always present. A census can still have bias due to non-sampling errors.

Which Is True About Sampling