Recently Asked Questions
- ABC Ltd, an Australian based firm is a large manufacturing firms with 25 subsidiaries which operates from different part of the world. On 30th July 2018,
- Please advise what needs to be typed as a command into the skeleton file.
- 1) X, Y and Z are random vectors. Show that: (a) Var(X)=E(XX′)−E(X)E(X′). (b) Cov(X,Y)=(Cov(Y,X))′. (c) Var(X+Y)=Var(X)+Var(Y)+Cov(X,Y)+Cov(Y,X).