DA0-001 · Question #139
Given the diagram below. Which of the following types of sampling is depicted in the image?
The correct answer is D. Systematic. Assuming the diagram illustrates selecting elements from a population at a fixed, regular interval, this method of selection represents systematic sampling.
Question
Given the diagram below. Which of the following types of sampling is depicted in the image?
Exhibit
Options
- AStratified
- BRandom
- CCluster
- DSystematic
How the community answered
(41 responses)- A2% (1)
- C5% (2)
- D93% (38)
Why each option
Assuming the diagram illustrates selecting elements from a population at a fixed, regular interval, this method of selection represents systematic sampling.
Stratified sampling involves dividing a population into homogeneous subgroups (strata) and then taking a simple random sample from each stratum.
Random sampling, typically simple random sampling, means every individual in the population has an equal chance of being selected.
Cluster sampling involves dividing the population into clusters, randomly selecting some clusters, and then including all individuals within the chosen clusters.
Systematic sampling involves selecting a random starting point and then choosing every k-th element from an ordered population list. This method is straightforward and ensures a spread across the population.
Concept tested: Systematic sampling
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