How Six Sigma can help Companies Improve Quality and Productivity

How Six Sigma can help Companies Improve Quality and Productivity?

Six Sigma can help Companies Improve Quality and Productivity- In a context of applicability Six Sigma is a tool which when implemented indicates and helps to manage process quality and further perfection to the same or even any other issue related to the process in quantified terms. Six Sigma is a very disciplined methodology and a rigorous approach when it comes to deployment as it requires uniformity and patience. In short, it actually does the work of nearing perfection which is an ultimate quality persistency and making the same standard stable is expected to be followed.

This is how Six Sigma can help Companies Improve Quality and Productivity:

To understand its efficiency in terms of ‘Quality’ and ‘Productivity’ it’s advisable to gaze in the relationship between them.

What is Lean?

It’s again an approach just like Six Sigma set of tools but more focused and précised towards ‘waste elimination’ without sacrificing productivity.

Example: In the manufacturing industry, it might be helpful to lower down the end waste which will save $$$ of an organization in addition to manpower saving and thus returning higher productivity and quality.

What is Lean Six Sigma?

To deep dive more there is one more tool which needs to be discussed i.e. ‘Lean’ which nowadays, has been combined with Six Sigma and is coined as Lean Six Sigma. From certification, point view its said as Lean Six Sigma Green Belt Certification, Lean Six Sigma Black Belt Certification and similarly for the Master Black Belt.

Quality and Productivity Relationship

As discussed above the relationship between quality and productivity can be defined based on a lean example. Again, assuming there is a process which producing waste in terms of raw material which when gets eliminated helps on gained productivity and lower cost. Similarly, it effects to quality side as well, when productivity is optimized the quality will continue to uplift (till a cap).

Why Improve Quality in business?

The main sync begins from here when these both the elements are tied up together.

  • It improves customer satisfaction
  • It gives you head start with a competitor
  • More Market Share
  • Lesser waste means more saving
  • Saving on manpower

Moving further to the implementation and alignment of these two elements, it comes down to the basic DMAIC approach i.e. Define, Measure, Analyze, Improve and Control. These two core aspects of result which we discussed above are to be embedded and aligned from the initiation of this process and since Six Sigma has got a lot of criticism in spite of popularity, thus judging it on an initial level won’t reap out any benefit.

How does the Process work?


  • Understand the customer needs and align it with the process and business objective
  • Find out the critical key quality i.e. CTQ aspects which client look for


  • Work on the initial approach which influences the CTQ and quantifies the defects which are currently happening
  • Analyze the initial sigma level
  • Make and segregate interval plots and use statistical analysis


  • Identify the underlying aspect of defect generation i.e. why the process variation exist?
  • Synthesize the statement of Problem
  • Work on identification of the cause by gathering data through different means
  • Arrange the data and probable cause
  • Using analysis tools try to establish the relation between cause and effect


  • Identify the horizon range for the defined variables
  • Measure the deviation of defined variables and validate them
  • In case if anything gets out of range, one can always make changes to the process so that things are within our specified range
  • Root Cause Solution
  • Opt the best fit solution as per findings
  • Construct the initial plan and deploy it
  • Measure and Evaluate the plan
  • In case of correction amend accordingly


  • Construct a solid process document
  • Let everyone be aware of what is being done and why it’s being done
  • Oversee the performance
  • Streamline the process
  • Crux out the result
  • Roll out the future plan (improved)