juniorStatistics
Population vs Sample
Updated May 17, 2026
Short answer
Population is entire dataset; sample is subset.
Deep explanation
Samples are used to infer population parameters due to feasibility constraints.
Real-world example
Surveying 1000 voters to infer election results.
Common mistakes
- Assuming sample perfectly represents population.
Follow-up questions
- What is sampling bias?
- What is representative sampling?