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 ...

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 ...

FORT HUACHUCA, Ariz. -- There is an organization on post responsible for assuring ranges are not simultaneously scheduled for use by more than one unit, supporting various forms of training and ...

The multi-chart consists of several CUSUM or EWMA charts with different reference values that are used simultaneously to detect anticipated process changes. We not only prove that the chart can ...

EGLIN AIR FORCE BASE — Officials at Eglin held a ribbon cutting ceremony on Thursday to celebrate the opening of two new Eglin Range Control (ERC) Complexes in a move that will consolidate resources ...