engleski

The Influence of Sampling and Inspection Levels on Shipment Acceptance

Acceptance sampling is a method used to decide whether the shipment of some product should or should not be accepted. For inspection by attributes, the probability of acceptance of a shipment with some quality level and given the agreed acceptable quality level is based on binomial distribution. The aim of this research was to compare the calculated probabilities of acceptance with simulated empirical values. These values were obtained from measurement data of solid ink densities (SID) of cyan ink on print run of 8500 copies. A simple computer program was used to select 1000 random samples at different inspection levels of MIL-STD-105E sampling plans. The proportion of accepted lots was compared to the values calculated by the formula. It was noted that these values differ to greater extent for smaller sample sizes although they should be better approximated by binomial distribution.

acceptance sampling; sampling plans; print production

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