Paper 1 · Research Aptitude
Which sampling technique is generally followed when the population is finite?
AArea sampling technique
BPurposive sampling technique
CSystematic sampling technique ✓ Correct
DNone of the above
Correct answer: (C) Systematic sampling technique — For a finite population, the systematic sampling technique is generally followed, so that is the answer.
Explanation
★For a finite population, the systematic sampling technique is generally followed, so that is the answer.
★A finite population can be fully listed, and the members numbered in order.
★Systematic sampling then picks every kth member from a random start along that list.
★So it works neatly for a finite, listable population.
★Area sampling suits populations spread over geographical areas, not this listing.
★Purposive sampling is by the researcher's judgement, so a finite population commonly uses systematic sampling.
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