Which statement correctly describes the variance of a constant ccc?
Var(c)=cVar(c) = cVar(c)=c
Var(c)=c2Var(c) = c^2Var(c)=c2
Var(c)=0Var(c) = 0Var(c)=0
Var(c)=1Var(c) = 1Var(c)=1