The extent to which products meet specifications needs to be systematically monitored in a production process. Product quality will typically be defined by two quantities: deviations from stated ...

SPC Overview offers a thorough introduction to the purpose and main concepts of statistical process control (SPC). This class describes different types of control charts, such as X bar, R, and P ...

James Chen, CMT is an expert trader, investment adviser, and global market strategist. Erika Rasure is globally-recognized as a leading consumer economics subject matter expert, researcher, and ...