"Statistics are straw out of which any other economist have to make bricks". Enlist the value attached with using statistics, by an economist

(i) Promotion of the practice of rational decision making based on facts and figures.
(ii) Avoidance of personal biasness, intuitions and imaginations while framing any policy or plan.
(iii) Statistical information helps in optimum utilisation of scarce resources.
(iv) Comparison of different variables will become easy to exercise control.