The Normal distribution is used to analyze data when there is an equally likely chance of being above or below the mean for continuous data.
A response plan sets out what to do if a process doesn’t meet one of the quality assurance requirements in the control plan.
The Plan Do Check Act Cycle, aka A Deming wheel, Shewhart wheel or Shewhart Cycle is the foundation of continuous improvement frameworks
A Pareto Diagram is a bar chart that re-orders the categories so they are rank-ordered from the largest total occurrences to the smallest.
Variation can introduce waste and errors into a process. Six Sigma DMAIC is an excellent framework for reducing variation and waste.