Integrating statistical and nonstatistical audit evidence using belief functions: A case of variable sampling

نویسندگان

  • Rajendra P. Srivastava
  • Glenn Shafer
چکیده

The main purpose of this article is to show how one can integrate statistical and nonstatistical items of evidence under the belief function framework. First, we use the properties of consonant belief functions to define the belief that the true mean of a variable lies in a given interval when a statistical test is performed for the variable. Second, we use the above definition to determine the sample size for a statistical test when a desired level of belief is needed from the sample. Third, we determine the level of belief that the true mean lies in a given interval when a statistical test is performed for the variable with a given sample size. We use an auditing example to illustrate the process.

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عنوان ژورنال:
  • Int. J. Intell. Syst.

دوره 9  شماره 

صفحات  -

تاریخ انتشار 1994