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1 standard deviation of population
English-Russian glossary on space technology > standard deviation of population
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2 standard deviation
среднее квадратическое [стандартное, среднеквадратичное, среднеквадратическое\] отклонениеа) т. вер, стат. (квадратный корень из дисперсии; в отличие от дисперсии, имеет ту же размерность, что и случайная величина; характеризует усредненное отклонение случайной величины от среднего значения)Syn:See:б) бирж. (количественная оценка волатильности курса финансового инструмента; на практике рассчитывается по данным о динамике курса за некоторый промежуток времени и равна корню из суммы квадратов отклонений значений курса от среднего, деленной на количество значений либо количество значений минус один)See:
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стандартное отклонение: статистический метод измерения риска по ценным бумагам (мера отклонения отдельной прогнозируемой переменной от среднего значения для распределения всех переменных); считается для конкретных ценных бумаг и для всего портфеля; чем больше стандартное отклонение, тем более неустойчивы цены и выше риск; см. portfolio theory;* * ** * *Стандартное отклонение. Среднее квадратическое отклонение. Квадратный корень из дисперсии. Величина, измеряющая разброс, отклонение данных от их среднего значения . Инвестиционная деятельность . -
3 population standard deviation
стат. генеральное среднеквадратическое отклонение (среднеквадратическое отклонение, рассчитанное для генеральной совокупности в целом, а не для выборки)Ant:Англо-русский экономический словарь > population standard deviation
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4 ♦ standard
♦ standard /ˈstændəd/A n.1 stendardo ( anche fig.); bandiera; insegna; vessillo: the standard of liberty, il vessillo della libertà; Julius Caesar's standards, le insegne di Giulio Cesare2 campione; modello; misura; tipo: (econ.) standard of value, misura di valore; standards of weight and measure, pesi e misure tipo; standards of purity for drugs, norme per stabilire la purezza dei prodotti medicinali3 criterio; norma; principio; regola; (fig.) metro, parametro ( con cui giudicare): Everyone has his own standard of judgement, ciascuno ha il suo criterio (o metro) di giudizio; by any standards, quale che sia il metro di giudizio; comunque lo si giudichi; by European standards, rispetto alla norma in Europa4 grado; livello; qualità; tenore: The standard of play has risen considerably, il livello del gioco è assai migliorato; These goods are not up to standard, la qualità di questa merce non è soddisfacente (o è scadente); below standard, sotto il livello desiderato; ( di merce) scadente (o di seconda qualità); to set a high standard for st., fissare requisiti elevati per qc.; up to standard, essere al livello desiderato; ( di un lavoro) soddisfacente; ( di merce) conforme al campione; work of (a) low standard, lavoro di qualità scadente; (econ., stat.) a high [a low] standard of living (o of life) un alto [un basso] tenore di vita; safety standards, norme di sicurezza; academic standards, livello (sing.) di insegnamento ( offerto da una scuola, ecc.)5 (pl.) princìpi, valori morali: That man has no standards, è un uomo senza princìpi: ethical standards, principi etici6 (fis.) campione di misura7 sostegno; supporto; montante; piedistallo13 (tecn.) tubo verticaleB a. attr.1 standard; comune; corrente; normale; ordinario; unificato; modello; tipo; base: (leg.) standard agreement (o contract) contratto tipo; standard prices, prezzi normali; (market.) standard sizes, misure normali; (econ.) standard cost, costo standard, costo modello, costo guida; (stat.) standard deviation, deviazione standard, scarto tipo, scarto quadratico medio; (stat.) standard error, errore standard; standard gauge, (ferr.) scartamento normale; (cinem.) passo normale; (market.) standard grade, qualità tipo; (ass.) standard policy, polizza tipo; (market.) standard quality, qualità corrente; (fisc.) standard rate, aliquota base; (market.) standard sample, campione unificato4 di base; fondamentale; autorevole; classico; che fa testo: a standard text, un testo di base; the standard work on the subject, l'opera fondamentale sull'argomento; standard novels, romanzi classici5 (ling.) standard; corrente; corretto: standard English, l'inglese standard; standard spelling, grafia corrente; standard pronunciation, pronuncia corretta6 ( di un oggetto) che ha una base (un piedistallo, uno stelo): standard lamp, lampada a stelo (o a piantana)● standard bearer, (stor.) vessillifero, vessillario; (mil.) alfiere, portabandiera ( anche fig.) □ standard charge, tariffa fissa (o forfettaria) □ (rag.) standard costing, valutazione a costi standard □ (fin.) standard currency unit, modulo monetario, unità monetaria □ (fisc.) standard deduction, detrazione forfettaria □ standard form, modulo tipo □ (in Scozia) Standard Grades, esami finali della scuola dell'obbligo; esame di diploma □ (fin.) standard money, moneta base (o tipo); valuta legale (o ufficiale) □ (econ.) standard-of-life curve, curva reddito-consumo □ (demogr.) standard population, popolazione tipo □ ( golf) standard scratch score, norma ( di una buca o di un percorso) □ (fisc.) standard state, stato standard □ standard time, (econ., ind.) tempo di lavorazione standard; (geogr.) ora locale: British standard time, (in GB) ora di Greenwich; ora locale del meridiano centrale del fuso □ to be above standard, essere superiore alla media; ( di merce) essere di prima qualità □ (fig.) by the same standard, con lo stesso metro (o criterio) □ to have double standards, avere due pesi e due misure (fig.) □ to reach a high standard of efficiency, raggiungere un alto grado di efficienza. -
5 отклонение совокупности среднее квадратичное
Русско-английский глоссарий по космической технике > отклонение совокупности среднее квадратичное
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6 difference
1) разность || вычислять разность2) несходство, отличие3) перепад4) приращение5) различие, разница6) геод. невязка7) разностный•difference between means — матем. разность между средними
difference in height — геод. разность высот
difference in phase — электр. сдвиг по фазе
difference in tuning frequency — радио расстройка между контурами
См. также в других словарях:
Standard deviation — In probability and statistics, the standard deviation is a measure of the dispersion of a collection of values. It can apply to a probability distribution, a random variable, a population or a data set. The standard deviation is usually denoted… … Wikipedia
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
population standard deviation — standard d … Medical dictionary
standard deviation — (in statistics) a measure of the scatter of observations about their arithmetic mean, which is calculated from the square root of the variance of the readings in the series. The arithmetic sum of the amounts by which each observation varies from… … Medical dictionary
standard deviation — A statistical measure of variability in a population of individuals or in a set of data … Glossary of Biotechnology
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
Geometric standard deviation — In probability theory and statistics, the geometric standard deviation describes how spread out are a set of numbers whose preferred average is the geometric mean. If the geometric mean of a set of numbers { A 1, A 2, ..., A n } is denoted as μ g … Wikipedia
Pooled standard deviation — In statistics, pooled standard deviation is a way to find an estimate of the population standard deviation given several different samples taken in different circumstances where the mean may vary between samples but the true standard deviation… … Wikipedia
sample standard deviation — an estimate of the population standard deviation, usually determined (from a sample of size n) by dividing the sum of the squared deviations from the sample mean by n−1 and taking the square root; n−1 is used (rather than n) in order… … Medical dictionary
Deviation — may refer to: Deviation (statistics), the difference between the value of an observation and the mean of the population in mathematics and statistics Standard deviation, which is based on the square of the difference Absolute deviation, where the … 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
