Weighting
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What does it mean?
Weighting assigns different contributions using information such as selection probabilities or known population distributions.
Think through an example.
An everyday example
First-year students make up 40% of the population but 20% of your sample. A simple adjustment by year increases their relative weight.
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True or false?
Weighting eliminates all sampling and measurement errors.
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Sources and further reading
Explore the foundations and methodological details in these resources. Examples on this page were created for illustration.
- Pew Research Center Source in EnglishHow different weighting methods work