“…Some of the basic tools used in Six Sigma are: flowcharts, run charts, Pareto charts, check sheets, causeand-effect diagrams, opportunity flow diagram, process control charts, and failure mode and effect analysis and design of experiments (Schall, 2012;Pisani et al, 2009;O'Neill et al, 2012;Parihar & Bhar, 2014;Park et al, 2009).…”