[Nihar Senapati]

What I meant in my earlier posting is that third category is seldom used as sometimes quality professionals instead of estimating the sigma for second category from a sample or population , they create this third category by doing a sample of 30 or more and estimating sigma from that sample
 
 

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[Nihar Senapati]

hello:
The # 3 is generally not found in most organizations. However, #2 is found  through two means;
1. Estimating variability from the population
2. Estimating variability from the sample of 30 or more.
Please let me know if it helps.
Thanks.
Nihar
 
 

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[Nihar Senapati]

hi Seema:
I don’t exactly understand when you say your organization is not supporting you. But I would write to ASQ providing a little background you have.
Please write to Certification Chair and you should get their views. If you have any difficulty in reaching them, please let me know.
Thanks.
Nihar
 
 
 
 
 

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[Nihar Senapati]

Six Sigma is a process centric methodology…an organization can’t claim to have acheived six sigma process improvements across all the processes.  So it will be easier and bolder to state six sigma improvements across a certain prcoess or more. In brief, truly speaking a six sigma company is a rare to find..again it is a quest for continuous improvement. And errors per KSCL  is a measure which company ‘A’ might use for specific image set of SW and not broad the broad range of products the company is developing.

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