Montgomery (1996) points out that a moving range chart should be interpreted with care because "the moving ranges are correlated, and this correlation may often induce a pattern or runs or cycles on ...

Each observation contains the diameter measurement and identification number for a particular engine. The variable ENGINE identifies the sequence of engines and is referred to as the subgroup-variable ...

The charger calibration package includes a calibration bottle, portable scale, individual and moving range chart, and a 30-day trial of Minitab™ statistical software. The JV004 calibration package ...