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An elementary model for statistical lot inspection and its application to sampling by variables. (English) Zbl 0876.62087
Summary: Recently some critical papers have initiated a discussion on pros and cons of standard sampling by variables (sampling by measurement). This discussion demonstrates the need for clarification by a sound stochastic model of statistical lot inspection. On the basis of such a model, variables sampling for lot proportion nonconforming and attributes sampling can be compared in terms of the theory of statistical hypothesis testing. This comparison refutes the well-known dogma of “same protection at lower sample size with variables plans”. Sampling by measurement for lot means, however, emerges as a perfectly valid method of statistical lot inspection.

MSC:
62P30 Applications of statistics in engineering and industry; control charts
62F03 Parametric hypothesis testing
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References:
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