If you do not specify both LSL and USL, the variable _CP_ is assigned a missing value. The process capability index C pk is computed as If you specify only USL, the index C pk is computed as You can ...

Many people sometimes confuse Cmk and Cpk. An easy way to distinguish the two is to remember the ‘M’ in Cmk lets you know ...

Process capability indices (PCIs) have long served as crucial metrics in assessing the performance and quality of manufacturing processes. Recent advances in statistical estimation techniques have not ...

The process capability index C p, sometimes called the "process potential index," the "process capability ratio," or the "inherent capability index," is estimated as Exact lower and upper confidence ...