formule pt examen
DESCRIPTION
adsTRANSCRIPT
h2=V A
V P=4ST
2
SP R=
V G+V MG
V P
Pt. m performante
Pm=G+MG+∑M S
m
Perf.grup. de fiice la speciile unipare
Pm=12AT+
∑ M S
m
Prop. Variantei: Prop.Covariantei
Var ( x )=V x Cov ( x , y+z )=Cov ( x , y )+Cov (x , z )Var (c )=0 Cov ( x , x )=V x
Var (c ∙ x )=c2 ∙V x Cov ( x , c ∙ y )=c ∙Cov ( x , y )
Var ( x+ y )=V x+V y Cov ( x , c ∙ x )=c ∙V x