Can we correct the problem of under and over sampling by weighting?

Kidanemariam Gebregziabher @Kidanemariam_Gebregziabher

09 September 2018 0 2K Report

For various reasons we end up with a sample proportion which under estimates or over estimates the true (population) proportion. As a result we resort to statistical technique of weighting. What is its benefit in terms of efficiency and precision in our estimation?

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