Acceptance sampling uses statistical sampling to determine whether to accept or reject a production lot of material. It has been a common quality control technique used in industry. It is usually done as products leaves the factory, or in some cases even within the factory. Most often a producer supplies a consumer a number of items and a decision to accept or erwin kreyszig advanced engineering mathematics pdf the items is made by determining the number of defective items in a sample from the lot.
The lot is accepted if the number of defects falls below where the acceptance number or otherwise the lot is rejected. A wide variety of acceptance sampling plans are available. Acceptance sampling procedures became common during World War II.
Sampling plans, such as MIL-STD-105, were developed by Harold F. Dodge and others and became frequently used as standards.