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SKEWED DISTRIBUTION [1 record]

Record 1 2000-06-20

English

Subject field(s)
  • Statistics
  • Federal Administration
  • Committees and Boards (Admin.)
  • Economic Doctrines, Systems and Policies
CONT

Asymmetrical Distribution. If you split the distribution in half at its mean (or median), then the distribution of values on the two sides of this central point would not be the same (i.e., not symmetrical) and the distribution would be considered "skewed".

CONT

A skewed distribution is one that "leans" to one side or the other or which has a few extreme values in either direction. If the extreme values are small, the distribution is skewed to the left, or negatively skewed; if the extreme values are large, the distribution is skewed to the right, or positively skewed (for example, salaries in any population are usually skewed by the high salaries earned by a very few people). A symmetric distribution is one in which the distribution has the same shape on both sides of the mean.

French

Domaine(s)
  • Statistique
  • Administration fédérale
  • Comités et commissions (Admin.)
  • Doctrines, systèmes et politiques économiques
DEF

Répartition qui s'écarte de la courbe normale pour une caractéristique donnée.

CONT

On rencontre en pratique quelques types fondamentaux simples de distributions : [...] En second lieu, les distributions asymétriques à un seul sommet dans lesquelles les effectifs ou les fréquences de classes décroissent plus rapidement d'un coté du maximum que de l'autre. [...] Les distributions asymétriques se rencontre assez souvent dans le domaine des statistiques économiques, l'asymétrie étant caractérisée par un plus grand étalement vers les valeurs élevées de la variable.

OBS

Distribution asymétrique : terme entériné par le Comité de linguistique de Radio-Canada et le Secrétariat d'État du Canada.

Key term(s)
  • distribution dissymétrique
  • courbe asymétrique
  • courbe dissymétrique

Spanish

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