All Shewhart charts have the following characteristics: Each point represents a summary statistic computed from a sample of measurements of a quality characteristic. For example, the summary statistic ...

The Shewhart chart is named after Walter A. Shewhart (1891-1967), a physicist at the Bell Telephone Laboratories, who introduced the method in 1924 and elaborated upon it in his book Economic Control ...

Journal of the Royal Statistical Society. Series C (Applied Statistics), Vol. 40, No. 1 (1991), pp. 1-12 (12 pages) A standard combined Shewhart-cumulative score quality control scheme for controlling ...

• Analytical method validation quality standards, touching on MCERTS and ISO 17025 as examples, leading in to an introduction to method accreditation Various case studies are used throughout the ...

Ensuring the quality and performance of human immunodeficiency virus, type 1 (HIV-1) enzyme-linked immunosorbent assay (ELISA) testing in routine laboratory situations is an important practical ...

What will you learn on this course? This course looks at method validation from start (initial planning) to finish (on-going tracking of performance statistics). Starting with describing the end goal ...