Box plots, also known as box-and-whisker plots, represent the cornerstone of statistical analysis within Six Sigma projects. These graphical tools let you easily visually compare variation between the data sets evaluated and serve multiple purposes throughout the DMAIC (Define, Measure, Analyze, Improve, Control) process. The fundamental structure of a box plot reveals five key statistical […] The post How to Update & Refine Box Plots in Six Sigma? appeared first on Sixsigma DSI.