TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

VARIANCE SAMPLE [1 record]

Record 1 2012-06-13

English

Subject field(s)
  • Statistics
  • Mathematics
DEF

... denoted by s², is the mean of the squared deviations of the sample observations from [the sample mean].

DEF

The square of the sample standard deviation ....

OBS

In context, the "sample variance" is often referred to as simply as "variance".

OBS

fluctuation: La fluctuation se confond avec la variance quand le calcul de la dispersion a comme valeur centrale la moyenne arithmétique. Toutefois, le terme fluctuation a un sens générique par rapport au terme variance.

French

Domaine(s)
  • Statistique
  • Mathématiques
DEF

Moyenne arithmétique des carrés des différences entre les observations et leur moyenne arithmétique. La variance est le moment centré d'ordre 2.

OBS

En pratique, on rencontre rarement le terme «variance empirique». Cette notion est presque toujours indiquée par le terme «variance» accompagné du symbole s².

OBS

variance empirique : terme normalisé par l'AFNOR.

Spanish

Campo(s) temático(s)
  • Estadística
  • Matemáticas
DEF

Es el momento segundo respecto a la media aritmética, o la media aritmética de los cuadrados de las desviaciones de los datos respecto a su media aritmética. Mide la dispersión sobre la media de una determinada distribución.

OBS

varianza: término y definición extraídos del CAPITAL Business Dictionary con la autorización de LID Editorial Empresarial.

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