statistic control
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Control limits — Control limits, also known as natural process limits, are horizontal lines drawn on a statistical process control chart, usually at a distance of ±3 standard deviations of the plotted statistic from the statistic s mean. Control limits should not … Wikipedia
Control chart — One of the Seven Basic Tools of Quality First described by Walter A. Shewhart … Wikipedia
Statistic (role-playing games) — Part of a series on … Wikipedia
Control variates — The control variates method is a variance reduction technique used in Monte Carlo methods. It exploits information about the errors in estimates of known quantities to reduce the error of an estimate of an unknown quantity.[1] Contents 1… … Wikipedia
Control variate — In Monte Carlo methods, one or more control variates may be employed to achieve variance reduction by exploiting the correlation between statistics.ExampleLet the parameter of interest be mu, and assume we have a statistic m such that… … Wikipedia
Shewhart individuals control chart — Individuals and moving range control chart Originally proposed by Walter A. Shewhart Process observations Rational subgroup size n = 1 Measurement type Average quality characteristic per unit Quality characteristic type … Wikipedia
Quality control and genetic algorithms — In engineering and manufacturing, quality control is involved in developing systems to ensure products or services are designed and produced to meet or exceed customer requirements. Genetic algorithms are search techniques, used in computing to… … Wikipedia
Summary statistic — Box plot of the Michelson–Morley experiment, showing several summary statistics. In descriptive statistics, summary statistics are used to summarize a set of observations, in order to communicate the largest amount as simply as possible.… … Wikipedia
Quality control — This article is about the project management process. For other uses, see Quality control (disambiguation). Maintenance check of electronic equipment on a U.S. Navy aircraft … Wikipedia
statistical process control — staˌtistical ˈprocess conˌtrol abbreviation SPC noun [uncountable] STATISTICS the use of statistic S to check that a process is working efficiently, and find where changes need to be made * * * statistical process control UK US noun [U]… … Financial and business terms
statistical quality control — staˌtistical ˈquality conˌtrol abbreviation SQC noun [uncountable] STATISTICS the use of statistic S to check information about the quality of a product or process * * * statistical quality control UK US noun [U] (ABBREVIATION … Financial and business terms
