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Wald Test
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Geliefert zwischen Do., 30.04.2026 und Fr., 01.05.2026
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High Quality Content by WIKIPEDIA articles! The Wald test is a parametric statistical test named after Abraham Wald with a great variety of uses. Whenever a relationship within or between data items can be expressed as a statistical model with parameters to be estimated from a sample, the Wald test can be used to test the true value of the parameter based on the sample estimate. For example, suppose an economist, who has data on social class and shoe size, wonders whether social class is associated with shoe size. Say is the average increase in shoe size for upper class people compared to middle class people: then the Wald test can be used to test whether is 0 (in which case social class has no association with shoe size) or non-zero (shoe size varies between social classes). Here, , the hypothetical difference in shoe sizes between upper and middle class people in the whole population, is a parameter. An estimate of might be the difference in shoe size between upper and middle class people in the sample.
Weitere Informationen
- Allgemeine Informationen
- GTIN 09786131174988
- Editor Lambert M. Surhone, Miriam T. Timpledon, Susan F. Marseken
- EAN 9786131174988
- Format Fachbuch
- Titel Wald Test
- Herausgeber Betascript Publishing
- Anzahl Seiten 104
- Genre Sozialwissenschaften allgemein
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