When a control chart shows special cause variation, a process measure is said ... For our Gage, the control plan could direct a worker to recalibrate the next time the screw thickness trends ...

If results from a survey come in groups then this is discontinuous variation. Examples include blood group and eye colour. Results are presented in a bar chart without a line of best fit.

Species close speciesA type of organism that is the basic unit of classification. Individuals of different species are not able to interbreed successfully. are extinct if there are no living ...

You’re seeing the direct impact of the natural changes ... customer satisfaction by studying common cause variation. In one ...