Inverse sampling is a sampling design in which one continues sampling subjects until one obtains a predetermined number of index subjects. This paper derives a procedure for calculation of the minimum required number of index subjects on the basis of the exact conditional test under inverse sampling
The economic selection of sample sizes for list testing
โ Scribed by Phillip E. Pfeifer
- Publisher
- John Wiley and Sons
- Year
- 1998
- Tongue
- English
- Weight
- 294 KB
- Volume
- 12
- Category
- Article
- ISSN
- 1094-9968
No coin nor oath required. For personal study only.
โฆ Synopsis
This paper provides practical, tailored advice on the selection of sample sizes for list testing. The advice is based on an economic decision model that accounts for both the statistical properties of test samples and the economic factors relevant to the sample-size selection decision. This economic selection approach distinguishes the advice in this paper from the purely statistical approaches found elsewhere. Because the advice is tailored to a particular direct marketing situation, it represents an improvement over often-used rules of thumb. The approach can be implemented in an electronic spreadsheet. Illustrative numerical examples are provided.
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