Variables-sampling plans are more efficient than attributes-sampling plans. If the quality characteristic is the life of a product, however, variables sampling can be very time consuming and expensive ...

In single sampling, a random sample of n items is selected from a lot of size N. If the number d of nonconforming (defective) items found in the sample is less than or equal to an acceptance number c, ...

The USDA’s Food Safety and Inspection Service is continuing its sampling plan and has published updates for the 2025 fiscal year. The plan is designed to leverage technological and sampling advances ...

Originating in the 1920s as a sampling scheme for agricultural regulatory inspectors, the square root (Sqrt) of the lot size (N) + 1 was semiformalized in an unpublished report by the Association of ...