Question

What is the advantage of Pareto chart over other charts?

Answer 1

The Pareto chart emphasizes the 80/20 rule. It helps strategy data to uncover the most important issue to work on.
The saying goes 80% of the problems come from 20% of the ....causes.
It helps to narrow down a course of action by finding the 20%.

80% of traffic comes from accidents (of course you need data to support your hypotheses. You may be surprised....could it be because of slow drivers, obstacles on the highway, weather