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Erschienen in:
2015 | OriginalPaper | Buchkapitel
9. Sampling Issues
verfasst von : Michael O. Finkelstein, Bruce Levin
Erschienen in: Statistics for Lawyers
Verlag: Springer New York
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Abstract
The objective of random sampling is to be able to draw valid statistical inferences about properties or parameters of the population from which the sample is drawn. For example, a random sample of a company’s employee medical claims drawn for auditing may have the purpose of estimating the proportion of improper allowances in the entire set of claims for a given time period. Other statistical inferences that rely on sampling include hypothesis tests about purported parameter values, prediction of future events, and selection or ranking of populations along some dimension of preferability.