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 ...

All Shewhart charts have the following characteristics: Each point represents a summary statistic computed from a sample of measurements of a quality characteristic. For example, the summary statistic ...