**TI82** TxtView file generated by CalcText - Kouri statstatG=(moyenne x;moyenne y) Y=ax+b a=cov(x,y)/Var(x) Cov(x,y)=1/n*E(xi-moy X)(yi-moy Y) Var=1/n*E(xi-moy X)^2 y=a*(x-moy X)+moy Y ou .