Revisiting activity sampling: A fresh look at binomial proportion confidence intervals

Disney, Stephen Michael ORCID: https://orcid.org/0000-0003-2505-9271 2016. Revisiting activity sampling: A fresh look at binomial proportion confidence intervals. European Journal of Industrial Engineering 10 (6) , pp. 724-759. 10.1504/EJIE.2016.081021

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Abstract

The Wald interval is typically used to assign confidence to the accuracy of activity sampling studies. It is known the performance of the Wald interval is poor, especially when the observed probability is near zero or one. The suitability of the Wald interval for activity sampling is not often discussed in the operations management literature; if it is, this is usually followed by inappropriate and incorrect advice. Herein, a range of alternative binominal confidence intervals for activity sampling is reviewed. A number of selection criteria are considered including achievement of the target nominal coverage probability, size of the interval, and ease of use and presentation. It is recommended that the Clopper-Pearson interval is used for activity sampling. A table of confidence intervals and sample sizes that is specifically designed to be used within a new activity sampling procedure based on the Clopper-Pearson interval is developed. Finally, pedagogical issues are considered.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Business (Including Economics)
Subjects:	H Social Sciences > H Social Sciences (General)
Additional Information:	PDF uploaded in accordance with publisher's policies at http://www.sherpa.ac.uk/romeo/issn/1751-5254/ (accessed 16.12.16).
Publisher:	Inderscience Publishers
ISSN:	1751-5254
Date of First Compliant Deposit:	22 May 2016
Date of Acceptance:	20 May 2016
Last Modified:	19 Nov 2024 00:30
URI:	https://orca.cardiff.ac.uk/id/eprint/91123

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