However, while success and failure of technical standards can be assessed rather easily, this is different with statistical methods because of randomness. To meet the demand, the International Organisation of Standardization (ISO) developed and develops "statistical" standards. Under this model, the paper develops most powerful tests for the most important lot quality indicators under continuous quality characteristics: lot mean, average square deviation from target, lot minimumĬontrolling uncertainty has an ever-increasing importance in all areas of industry. This paper presents an elementary model for statistical lot inspection, with special emphasis on the topic of continuous quality characteristics. In particular, there is no generally accepted model for statistical lot inspection under continuous quality characteristics However, rigorous methodological foundations are still missing. Investigations on statistical lot inspection have received enormous interest in academic literature. Dodge at Bell Telephone Laboratories in the 1920s. Both the systematic industrial implementation and the theoretical investigation of statistical lot inspection trace back to the work of H. Statistical lot inspection is an application of the theory of statistical hypothesis testing in the industrial problem of deciding on hypotheses on the quality of finite lots by means of random samples from the lot.
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