Control charts that are properly constructed and maintained prevent false out-of-control signals and provide a useful method for monitoring a process. Process control is and has been an important ...
The following statements create a SAS data set named CIRC_ONE, which contains the number of failing circuits for 30 batches produced by the circuit manufacturing process introduced in the "Getting ...
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 ...