CompTIA Data+ (DA0-001) — Question 64

Which of the following data sampling methods involves dividing a population into subgroups by similar characteristics?

Answer options

• A. Systematic
• B. Simple random
• C. Convenience
• D. Stratified

Correct answer: D

Explanation

The correct answer is D, Stratified, as this method specifically involves dividing the population into distinct subgroups that share common characteristics. The other options, such as Systematic, Simple random, and Convenience sampling, do not focus on subgrouping based on similar traits, which is central to the stratified approach.