Terms for subject Statistics containing classes

English	French
by size classes of communities	selon l'importance des communes
class frequency	effectif de classe
class limit	frontière de classe
class limit	borne de classe
normal series of age classes	série normale des classes d'âge
normal series of age classes	séquence normale des classes d'âge
open ended classes	classes ouvertes
pooling of classes	agrégation de classes
pooling of classes	regroupement de classes
unequal sub-classes	sous-classes inégales
variation between classes	variation entre classes
variation between classes	variance interclasse
variation within classes	variation à l'intérieur des classes
variation within classes	variance intraclasse
wage earning classes	salariat
wage earning farm classes	salariat agricole