ENBIS-16 in Sheffield

11 – 15 September 2016; Sheffield Abstract submission: 20 March – 4 July 2016

ISO PWI 28596: Two-stage Sampling Plans for Auditing

14 September 2016, 10:50 – 11:10

Abstract

Submitted by
Rainer Göb
Authors
Jens Bischoff (University of Würzburg), Rainer Göb (University of Würzburg)
Abstract
The recent international auditing standards ISA 500 and ISA 530 issued by IAASB (International Auditing and Assurance Standards Board) admit only statistical sampling schemes for proper audit sampling. The present ISO (International Standards Organization) sampling standards cannot directly be adopted for auditing purposes: 1) The ISO standards are merely decision-oriented and provide no mechanism of parameter estimation. Auditors usually need an estimate of the parameters of auditing classes. 2) The ISO standards provide no mechanism to exploit prior information in the design of sampling plans. In the auditing context, however, relatively precise prior information is usually available. We present the structure of a two-stage sampling scheme for audit sampling for a proportion nonconforming which is currently discussed as the preliminary work item PWI 28596 at ISO.

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