FXY is a n investment, like buying Japanese Yen, but traded at NYSE in US Dollars. It will go up and down in value like owning Japanese Yen would.
The airport code for Forest City Municipal Airport is FXY.
It is a N by N matrix that relates the variation of each variable to the previous variations of itself and the other N-1 variables. For instance; in the 2by2 variational matrix [Fxx, Fyx; Fxy, Fyy], Fyx gives the component(if any) of Y variation that comes from the previous X variation.
This is actual question SUPPOSE X1 X2 X3, Xn form a random sample from a population with density function f(x,y) = 1/y where 0<x<y,y>0 where y is unknown parameter .let T=max(X1,X2,....Xn) show that Y (estimate) ... Y=(1+1/n) is unbiased estimator of Y?