- control standard sample
- Химическое оружие: поверочный стандартный образец
Универсальный англо-русский словарь. Академик.ру. 2011.
Универсальный англо-русский словарь. Академик.ру. 2011.
Sample size determination — is the act of choosing the number of observations to include in a statistical sample. The sample size is an important feature of any empirical study in which the goal is to make inferences about a population from a sample. In practice, the sample … Wikipedia
Control chart — One of the Seven Basic Tools of Quality First described by Walter A. Shewhart … Wikipedia
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
Standard error (statistics) — For a value that is sampled with an unbiased normally distributed error, the above depicts the proportion of samples that would fall between 0, 1, 2, and 3 standard deviations above and below the actual value. The standard error is the standard… … Wikipedia
sample preparation — ▪ chemistry Introduction in analytical chemistry (chemistry), the processes in which a representative piece of material is extracted from a larger amount and readied for analysis. Sampling and sample preparation have a unique meaning and special … Universalium
Control (management) — Controlling is one of the managerial functions like planning, organizing, staffing and directing. It is an important function because it helps to check the errors and to take the corrective action so that deviation from standards are minimized… … Wikipedia
Control-Feedback-Abort Loop — Too often systems fail, sometimes leading to significant loss of life, fortunes and confidence in the provider of a product or service. It was determined that a simple and useful tool was needed to help in the analysis of interactions of groups… … 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
Unbiased estimation of standard deviation — In statistics, the standard deviation is often estimated from a random sample drawn from the population. The most common measure used is the sample standard deviation , which is defined by:s = sqrt{frac{1}{n 1} sum {i=1}^n (x i… … 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
Air Movement and Control Association — The Air Movement and Control Association International, Inc. (AMCA; pronounced Am Cah ) is a nonprofit organization that creates standards for, tests, and rates Heating, Ventilating, and Air Conditioning (HVAC) equipment. It is best known for its … Wikipedia