Mean is the average of data points. In LSS this is used as an indicator of process performance. Further, it can identify ...

Ppk stands for Process Performance Index and is used for long-term variability. Ppk is a performance index that is used to see if a current process is delivering acceptable results. It does this by ...

Positive definite matrices play a central role in mathematics, physics, statistics and engineering due to their unique properties and widespread applicability. These matrices, which are characterised ...