Which tool technique uses the 80/20 principle?

A.
Pareto Chart

B.
Cause and effect diagrams

C.
Control Charts

D.
Flowcharting

Explanation:
A Pareto diagram/chart helps focus attention on the most critical issues.

It prioritises potential “causes” of the problems.

It is referred to as 80/20 rule that 80% of problems or defects are most often due to 20% of the causes.