
369Chapter fteen: Analyze
are compared with engineering or specications range, the following actions are
performed:
• Do nothing
• Change the specications
• Center the processes
• Reduce variability
• Accept the losses
The identication of characteristics and its specications based on customers’ perspective
has already been discussed and the data collection for the same was discussed in green
belt section. The important task is to develop sampling plans. The knowledge of sampling
and its probability distributions are widely required here. The process capability indices
are usually calculated based on probability distributions and generally ...