Examples of Differing Weighted and Unweighted Estimates from a Sample Survey
- 1 August 1995
- journal article
- research article
- Published by Taylor & Francis in The American Statistician
- Vol. 49 (3) , 291-295
- https://doi.org/10.1080/00031305.1995.10476167
Abstract
Unweighted estimators using data collected in a sample survey can be badly biased, whereas weighted estimators are approximately unbiased for population parameters. We present four examples using data from the 1988 National Maternal and Infant Health Survey to demonstrate that weighted and unweighted estimators can be quite different, and to show the underlying causes of such differences.Keywords
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