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Accession Number:
ADA279481
Title:
Lot Acceptance via Attributes Sampling (LAVAS) User's Guide
Descriptive Note:
Final rept.
Corporate Author:
ARMY MISSILE COMMAND REDSTONE ARSENAL AL SYSTEMS ENGINEERING AND PRODUCTION DIRECTORATE
Report Date:
1994-03-01
Pagination or Media Count:
117.0
Abstract:
This users guide describes an automation which will assist the user in the design and risk assessment of attributes sampling plans used in lot acceptance or for quality surveillance. This automation, entitled Lot Acceptance Via Attributes Sampling LAVAS, provides for the construction of Operating Characteristic OC Curves and Average Sample Number ASN plots for single sampling, double sampling, multiple sampling, sequential sampling, and truncated sequential sampling plans. The OC Curves and ASN plots make exclusive use of Binomial or Hypergeometric distributions for probability calculations, depending upon the conditions of application. This probabilistic approach will increase the precision of the probability of acceptance and expected sample size to a decision since no approximation techniques, such as the Poisson andor Normal, are used. Additionally, LAVAS provides specific design options which will expedite the design of sampling plans which are subject to risk constraints at specified quality levels.
Distribution Statement:
APPROVED FOR PUBLIC RELEASE