The Pareto principle also known as the 80/20 rule, the law of the vital few, or the principle of factor sparsity states that, for many events, roughly 80% of the effects come from 20% of the causes
80 /20 RULE CAN BE USE FOR VARIOUS ANALYSIS OF DATA.YOU CAN ANALYSE YOUR DATA WITH HELP OF THIS RULE .HOWEVER THERE ARE FEW LIMITATION OF THIS RULE.