Process and Product Optimization using Response Surface Methodology, Process Quality control via Control charts, Statistical Modeling to predict input-output behavior of systems, are some of the contributions in my opinion, there are possibly numerous other such areas which i am sure experts dealing with them will be able to enlighten you about.

• Without data there is no platform to experiment therefore understanding and sequencing the data is important, we can find plenty of applications in engineering fields both qualitatively and quantitatively