In testing statistical hypotheses, as in other statistical problems, we may be confronted with fuzzy concepts. This paper deals with the problem of testing hypotheses, when the hypotheses are fuzzy and the data are crisp. We first introduce the notion of fuzzy p-value, by applying the extension principle and then present an approach for testing fuzzy hypotheses by comparing a fuzzy p-value and a fuzzy significance level, based on a comparison of two fuzzy sets. Numerical examples are also provided to illustrate the approach.
机构:
Univ Carlos III Madrid, Dept Stat, C Madrid 128, E-28903 Getafe, Spain
Univ Cagliari, Dept Math & Informat, Cagliari, ItalyUniv Carlos III Madrid, Dept Stat, C Madrid 128, E-28903 Getafe, Spain
Cabras, Stefano
Eugenia Castellanos, Maria
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Univ Rey Juan Carlos, Dept Informat & Stat, Mostoles, SpainUniv Carlos III Madrid, Dept Stat, C Madrid 128, E-28903 Getafe, Spain