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1. ## Six Sigma implementation

Hi Guys,
I'm doing a research on the six sigma methodology and i need some help.
I understood the DMAIC method but i didnt quiet understand how to implement it (how to actually reduce the number of defects from ~60000 to ~3.4)
Thanks alot !!!

3. ## Re: Six Sigma implementation

not sure i understand ...but i guess its the application defects.

4. ## Re: Six Sigma implementation

If an answer is provided to a "guess" then what happens if the "guess" is wrong??? The answer would be wrong as well - correct? [img]/images/graemlins/wink.gif[/img] Given the odds are 50-50 and an 80% probability that your guess is incorrect... [img]/images/graemlins/wink.gif[/img]

Note that if you are trying to reduce application defects, there are no guarantees that any such concept as 6-Sigma will reduce defects. Defect reduction requires robust prevention and detection processes and practices - and the appropriately skilled people to execute.

I think it might be best for you to determine and fully understand what questions you actually want answered.

Anyway, here is a good resource:
http://www.isixsigma.com/me/dmaic/

5. ## Re: Six Sigma implementation

To reduce the number of defects or to be at six sigma level ie. 3.4 defects/million opportunities here is quick brief steps:
1. Identify the number &amp; type of defects in current application.
2. Prioritize the Defect types for taking action
3. Do a root cause analysis to find out what is that resulting in majority of defcts. For eg. inadequate review may be resulting in more defects.
4. Once the root causes are identified, develop an improvement plan as to how these root causes can be eliminated. For eg. Review Process needs be put in place
5. Implement the improvement plan .
6. Measure Defects now after you have applied the improvement actions
7. Calculate the Z value now to validate that six sigma level is achieved.

This is just a quick points to help u understand the approach.
Let me know if it's of help and if you need more details on six sigma.

Thanks
Sonali

6. ## Re: Six Sigma implementation

The quick points are really good Sonali.

Is there a more elaborated document about Six Sigma?

- Swapnika

7. ## Re: Six Sigma implementation

Plenty of books on the subject or you can check the link Jake provided.

8. ## Re: Six Sigma implementation

Can you recommend some Really good books(authors) to study six sigma??? i am buying it this weekend. a book that would help freshers.

9. ## Re: Six Sigma implementation

My only recommendation on a book on any technical subject is open it to a random page and read it, if you can understand the authors style of writing and the material on a page (so long as its not too dependent on earlier chapters) then you'll find a book you can use.

10. ## Re: Six Sigma implementation

Six sigma, from my experience is fantastic and fairly easy to implement for the manufacturing environment. It can even be manipulated enough to fit the business/service process environment, but trying to implement in a tech environment is a real hassle and does not really make much sense. Think about CMMI.

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