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 ...

2 types of variation and how we distinguish between common and special cause variation, along with how to create a rational subgroup. We also cover the equations and constants for the X-bar and R ...

Control chart- a time-ordered plot of sample statistics, used to distinguish between random and nonrandom variability Control limits- the dividing lines between random and nonrandom deviations from ...

FORT LEONARD WOOD, Mo. — Many are familiar with the important role drill sergeants have when it comes to training the nation’s newest Soldiers at Fort Leonard Wood, but there is a lesser-known entity ...