Under proportional allocation in stratified sampling, the sample size from each stratum is determined mainly by its:
Correct answer: A. Population share in the entire population
- A. Population share in the entire population
- B. Alphabetical position in the frame
- C. Distance from the research office
- D. Order in which units respond
Explanation
Proportional allocation gives each stratum a sample share matching its share of the population. This helps the combined sample reflect the population composition when other allocation factors are not used.
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