Those who engage in estimation insist on random sampling, rather than convenience sampling or judgment sampling, because random sampling:
A) avoids the errors inherent in matched-pairs sampling
B) avoids the errors inherent in work sampling
C) avoids the errors inherent in voluntary response sampling
D) eliminates the systematic error or bias that arises in nonrandom sampling
E) achieves all of these

Question

Quizplus · Accepted Answer

Random sampling eliminates any systematic error or bias that may arise in nonrandom sampling methods such as convenience sampling or judgment sampling. Matched-pairs sampling and work sampling are not relevant to the advantages of random sampling. Voluntary response sampling is a specific type of nonrandom sampling and is also eliminated with the use of random sampling. Therefore, option D is the correct answer.

Those Who Engage in Estimation Insist on Random Sampling, Rather