TERMIUM Plus®

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POOLED STANDARD DEVIATION [1 record]

Record 1 1997-07-09

English

Subject field(s)
  • Chemistry
  • Statistics
  • Special-Language Phraseology
OBS

A problem often arises when the combination of several series of measurements performed under simular conditions is desired to achieve an improved estimate of the imprecision of the process. If it can be assumed that all the series are of the same precision although their means may differ, the pooled standard deviations Sp from k series of measurements can be calculated ...

PHR

pooled relative standard deviation.

French

Domaine(s)
  • Chimie
  • Statistique
  • Phraséologie des langues de spécialité
OBS

Il se présente souvent un problème lorsqu'on veut combiner plusieurs séries de mesures effectuées dans des conditions semblables dans le but d'obtenir une meilleure évaluation de l'imprécision du procédé. Si on peut faire l'hypothèse que toutes les séries de mesures ont la même précision, même si leurs moyennes diffèrent, les écart-types accumuléesS[indice p, obtenus à partir de k séries de mesures peuvent être calculés [...]

PHR

écart-type cumulé relatif.

Spanish

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