All you need to know about Six Sigma

Most of the companies nowadays ask for 6 sigma certified people or atleast they demand that the candidates must have atleast prelimnary knowledge of six sigma. At Expertmasterji we have created a jist of what six sigma is and how it is used in the industry. Hope it helps you in your interviews. For more material on interviews please click here.

Question: - What is Six Sigma?
Answer: - Six Sigma (Six Standard Deviations from mean) is a methodology to enhance the efficiency and minimize the errors in any given process through some special tools & techniques.

It was applied for the first time in the manufacturing division of the Motorola Company, where this process was and infact has been rigorously used for minimizing the errors in the processes of producing several millions of different parts. However under Jack Welch Six Sigma was adopted by GE and its concerned companies and it was so rigorously used there that Six Sigma became more related with GE then with Motorola .Although Six Sigma was primarily designed to reduce errors in manufacturing domain with time however its application widened with the inclusion of non-manufacturing processes too. Today It has spread to such a level that its use can be witnessed in the fields as different as call centers, medical processes and insurance processes etc.

The impetus Six Sigma lays on quality can be gauged by the very fact that six sigma allows only 3.4 defects per million of transactions. It uses statistical techniques for reducing the error and measuring the quality of the final process or product.

Question: - What is the methodology used by Six Sigma? 

Answer: - Six Sigma helps in improving the process via constant revisions and alterations.Business process improvement is done in SIx sigma using the novel methodology called DMAIC (Define opportunities, Measure performance, Analyze opportunity, Improve performance, Control performance).

Besides process improvement Six Sigma can also be used for new product development(NPD), however for NPD it uses the process known as DFSS (Design for Six Sigma).

Some of the important elements for the improvement of process by Six Sigma are: continuous improvement, metrics & measures, customer requirements, employee involvement and design quality.

Question: - What is the meaning of Green Belt and Black belt in six sigma?

Answer: - 

Question: - What are the 3 core elements of Six Sigma ?

Answer: - The 3 core elements of Six Sigma are :-

i) Customer satisfaction:

ii)Defining processes & metrics and measures

iii) Involvement of employees and team building

The Six Sigma is very strict towards the customer satisfaction. Under the Six Sigma methodology, it is ensured that the satisfaction of the customers is never compromised with.

This element Of Six Sigma defines the usefulness and the understanding of data & systems as well as sets the goals for improvements.

Under Six Sigma, it is imperative to involve all the employees by the company and to provide the employees with proper incentives and opportunities. This way the employees can be motivated to do their work more sincerely. Besides, Six Sigma also ensures that each of the employees has a defined role in the company and there is no scope of ambiguity, at all.