- Standard deviation
- The square root of the variance. A measure of dispersion of a set of data from their mean. The New York Times Financial Glossary
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* * *A statistical measure of the amount by which one value in a range of values is likely to vary from the mean value. It is used as a method of assessing how variable or volatile a price is likely to be. The bigger the standard deviation the more widespread are the price movements and the more volatile the performance of the stock or financial instrument.
* * *standard deviation UK US noun [C or U] GRAPHS & CHARTS, MEASURES► a measurement of the degree to which each number in a set of numbers is different from the average: standard deviation from sth »
A fund's performance is measured using its standard deviation from the average profits of all the funds in its category.
Financial and business terms. 2012.
Look at other dictionaries:
standard deviation — n. Statistics a measure of variability equal to the square root of the arithmetic average of the squares of the deviations from the mean in a frequency distribution … English World dictionary
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Standard Deviation — 1. A measure of the dispersion of a set of data from its mean. The more spread apart the data, the higher the deviation. Standard deviation is calculated as the square root of variance. 2. In finance, standard deviation is applied to the annual… … Investment dictionary
standard deviation — (sd) a mathematical unit used to describe the spread or dispersion of a set of data. Each item in the data set has a deviation from the mean (the ordinary average) of the data. The standard deviation is computed by taking the squares of these… … Dictionary of units of measurement
standard deviation — UK / US noun [countable] Word forms standard deviation : singular standard deviation plural standard deviations maths a number that shows how much smaller or larger a number in a set of numbers is from the average of the set … English dictionary
standard deviation — noun the square root of the variance (Freq. 8) • Topics: ↑statistics • Hypernyms: ↑variance * * * ˌstandard deviˈation [standard deviation] … Useful english dictionary
standard deviation — A measure of the dispersion of statistical data. For a series of n values x1, x2, xn, it is given by the formula →[(l n) ∑ (xi x)] where x is the average of the n values. The standard deviation of the returns from an investment can be used as a… … Big dictionary of business and management
Standard deviation — A statistic used in *probability distribution models. In a *normal distribution of a *population of random items, the standard deviation represents the typical distance of an item from the population’s *mean value … Auditor's dictionary
standard deviation — standartinis nuokrypis statusas T sritis biomedicinos mokslai apibrėžtis ↑Kintamojo reikšmių sklaidos apibūdinimas. Standartinis nuokrypis lygus teigiamai kvadratinės šaknies iš ↑dispersijos reikšmei. atitikmenys: angl. standard deviation… … Lithuanian dictionary (lietuvių žodynas)