Wednesday, 22 January 2014

Five Frequently Asked Questions about Six Sigma


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By definition Six Sigma is a data driven, customer focused and result oriented methodology which uses statistical tools and techniques to systematically eliminate the defects and inefficiency to improve processes.

Where can Six Sigma be applied?


Six Sigma can be applied in any industry, such as manufacturing, service, healthcare etc.

Are there specific methodologies in Six Sigma?


Yes, there are. Six Sigma projects follow two project methodologies called DMAIC and DMADV.

DMAIC is used for projects aimed at improving an existing business process.
  • Define: Define the problem statement and project goal
  • Measure: Measure the current performance (baseline)
  • Analyse: Identify and analyse the root causes of the defects
  • Improve: Improve the process by eliminating defects
  • Control: Control and sustain the performance
DMADV is used for projects aimed at creating new product or process designs.
  • Define: Define the project goals that are consistent with customer needs
  • Measure: Measure and determine the customer needs
  • Analyse: Identify and analyse the root causes of the defects
  • Design: Design the process by developing it in detail in line with customer needs
  • Validate or Verify: Validate the performance and ability of the process to meet customer needs


What are the benefits of Six Sigma?


Those organisations that implement Six Sigma correctly achieve significant benefits that contribute to competitive advantage and to changing the culture in an organisation from reactive problem solving to proactive problem prevention. These benefits include:

For you
  • Improved knowledge and skills
  • Ability to use a wide range of tools and techniques
  • A widely recognised title 
For your organisation
  • Bottom line cost savings (5%-20% of turnover per annum)
  • Improved quality of product or service as perceived by the customer (internal and external customers)
  • Reduction in process cycle times
  • Development of staff skills
  • Common language throughout the organisation
  • World class standard

What’s the difference between Green Belt and Black Belt?


The Six Sigma Green Belt course covers most of the common tools and techniques used in Six Sigma. While, the Black Belt course provides competence in advanced statistical tools and techniques that are used in major and complex projects.

What are the prerequisites for the Six Sigma certification?


There are no prerequisites for taking the Yellow and Green Belt certifications. However, in order to get the Black Belt certification, you must have your Green Belt.


For more information about the Six Sigma certifications, visit our Six Sigma course directory.


About the Author:       
Sarah writes for Firebrand Training on a number of IT related topics. This includes exams, training, certification trends, project management, certification, careers advice and the industry itself. Sarah has 11 years of experience in the IT industry.