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What is Six Sigma? Why Six Sigma is important for Industry?

Since its introduction as a corporate strategy by Jack Welch at General Electric in 1995, Six Sigma has come a long way. Since then, it has been widely adopted in a variety of industries.

Six Sigma helps to improve accuracy by reducing DPMO (Defects-Per-Million-Opportunities) across the value stream in the process. Six Sigma can play an integral part in any strategic vision. Once your Business carried out a SWOT analysis, then six sigma can help you focus on areas for improvement. Six Sigma is basically a set of tools and techniques that enable process improvement.

To reach Six Sigma, organizational processes must have a failure rate of no more than 3.4 per million (99.99966%) chances. A Six Sigma defect is anything that isn’t according to the client’s specifications. Its goal is to reduce the amount of variation in commercial and production operations. The capacity to focus on producing quantitative and measurable financial gains from any six sigma project is one of the most notable features.

Six Sigma methodology can identify issues in processes that cause waste. Often,  the workers are unaware of these issues, and also top management. Therefore, it is very important to impart Six Sigma training at all levels.

If Six Sigma training is not used, it could result in rework and delays in finding solutions and developing new products. Knowing the importance of Six Sigma training at both the lower and the upper management levels is essential. The benefits of Six Sigma training have been proven by corporations and the people that have received accredited training.  The use of this approach has helped many businesses around the world.

Key Benefits of Implementing Six Sigma

Six Sigma implementation is critical since it will benefit firms in a variety of ways, including:

Reduction in Variation and Waste in Supply Chain

Six Sigma approaches can be used to eliminate waste and variance in the entire supply chain after improvement ideas have been identified. Waste is anything that does not contribute to the production of the service or product that must be supplied to a consumer.

Help in Defining or Making Improvement in Process Flow

Six Sigma employs process mapping, which is defined as a flowcharting method that allows for the documenting of a specific business process. Various parts of business processes, such as staff responsibilities and decision points in overall work performance, are documented in order to suit unique customer needs. These flowcharts are frequently used to recommend improvements.

Reduction in Defects 

One of the reasons why Six Sigma is significant is because it aids in the reduction of flaws. Employees can identify problem areas as well as reoccurring difficulties that affect the overall quality expectation of a service or product from a customer’s perspective using the Six Sigma methodology.

Opportunity for Continual Improvement

Last but not least, individuals who have been taught in Six Sigma procedures have the tools and abilities necessary to identify problem or bottleneck regions that slow production or performance. Employees can use this method to identify areas for improvement and work on them on an ongoing basis. Finally, it aids in the improvement of existing services or products, as well as the development of new high-quality items.


Six Sigma is a statistical analysis-based methodology for improving business processes. It is a data-driven and highly disciplined methodology and approach for ensuring defect eradication in any commercial or organizational process.

If used properly by engaging people from all levels of the organization, this methodology can be very beneficial for any organization.

Quality HUB India offered Six Sigma Online Courses:

Hindi Version:

  1. Lean Six Sigma Yellow Belt
  2. Lean Six Sigma Green Belt
  3. Lean Six Sigma Black Belt

English Version:

  1. Six Sigma MINI Course – Free 
  2. Lean Six Sigma Yellow Belt
  3. Lean Six Sigma Green Belt (Under Development)
  4. Lean Six Sigma Black Belt (Under Development)

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