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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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  4. Term of the Dictionary | variance

Term of the Road Dictionary

variance

  • Language : PIARC Road Dictionary / English
  • Theme : Scientific and Technical Tools Mathematics and Statistics
  • Definition : Measure of dispersion, which is the sum of the squared deviations of observations from their average divided by one less than the number of observations [COST 323].

Varianz

  • Language : PIARC Road Dictionary / German
  • Theme : Wissenschaftliche und technische Arbeitsmittel Mathematik und Statistik
  • Definition : Summe der quadrierten Abwei-chungen der Istwerte von ihrem arithmetischen Mittelwert dividiert durch die um Eins verminderte Anzahl der Istwerte [COST 323]. Anmerkung: sie ist eine Grösse, die die Streuung der Ergebnisse beschreibt.

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