i. If probability sampling is done, each item in the population has a chance of being chosen. ii. If the size of a sample equals the size of the population, we would not expect any error in estimating the population parameter.
A) (i) and (ii) are both correct statements.
B) (i) is correct but not (ii).
C) (ii) is correct but not (i).
D) (ii) and (ii) are both false statements.

Question

Quizplus · Accepted Answer

(i) is correct because probability sampling ensures that each item in the population has a known chance of being selected. (ii) is incorrect because even if the sample size equals the population size, there is still a chance of sampling error due to random variation.

I If Probability Sampling Is Done, Each Item in the Population