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) I only
B) I, II, and III
C) II only
D) III only
E) II and III

Question

Quizplus · Accepted Answer

Option I is incorrect as attempting to take a census could result in a higher degree of bias compared to sampling. 
Option II is correct as sampling error reduces as the sample size increases. 
Option III is correct as sampling error is caused by random variations and is always present.

Which Is True About Sampling