chap_incertitude.py

Created on November 11, 2023

504 Bytes

Incertitude type sur X notée U(X) :
  
  Estimation de létendu des valeurs
  que l'on peut attribuer à la 
  grandeur.
  Un seul chiffre significatif 
  arrondi au supérieur.
  U(X)=S(X)/√n
  n=le nombre de mesure
  
La valeur moyenne noté X
L'écart type noté S(X)
  
Incertitude relative px :
  
  La précision de la mesure effectuée
  et s'exprime en pourcentage.
  px = (U(x)/|x|)*100
  
Incertitude type lors d'une mesure
unique : 
  
  U(X)=tolérance ou précision

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