English version

standard deviation

From Longman Dictionary of Contemporary English
Related topics: Statistics
standard deviationˌstandard deviˈation noun [countable]  technicalHMS a number in statistics that shows by how much members of a mathematical set can be different from the average set
Examples from the Corpus
standard deviationMean and standard deviation of normally distributed results are shown; otherwise median and range are given.The distribution remains normal but the standard deviation decreases as the square root of n, the sample size.The standard deviation of the estimate of, B is calculated as follows: therefore, the standard deviation is:.
From Longman Business Dictionarystandard deviationˌstandard deviˈation [countable]STATISTICS a number that shows how widely members of a mathematically related group vary from the averageVolatility as measured by the standard deviation of daily stock price movements has frequently been much higher than it is today. deviation
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