Tools and Techniques Utilized in Six Sigma

Six Sigma- an array of management processes and techniques aims towards improving business processes to greater extent. This is done by reducing the prospect that a defect or an error will occur. A number of qualitative and quantitative tools are used by experts to drive process improvement.

Many professionals and management students know about these tools and are familiar to them, but the way these tools are integrated within the business process to improve processes is what makes Six Sigma methodologies unique. Some of the most common tools being used to detect the error or defect prior to its occurrence are mentioned in the upcoming section.

Best Lean Six Sigma Training in Bangalore gives a deep insight to these tools and techniques and this helps the professionals implementing them in best possible way as and when required.

5 Whys

5 Whys is a tools being used by Six Sigma experts to helps businesses excavate an assumption integrated within the processes. By asking ‘WHY’ five times, it is possible to determine the true cause of an event.

One of the most effective reasons that makes 5 Whys is implemented in large number of organizations is that it is quite easier to accomplish, simple and does not demand statistical analysis.


Histogram is a data containing informative graph which describes the shape, frequency and other factors of event analysis. Best Six Sigma training institute in Bangalore explains the techniques to effectively use Histogram in business.

The graph is used to analyse the tricks and strategies on how the process outcome relates to customer expectations. It helps addressing the question that as to if the process can deliver a desired response or output.

Run Chart

Run Chart is a graphical presentation that displays information about the time series where data is sequenced from first stage to last stage of the process, showing the shifts and trends constantly.

Alternately, 30000-foot-level-chart can be used in place of the Run Chart for separating common variability from common cause to special cause. It also represents the performance of the process in reference to the needs of the customers.

Regression Analysis

Regression Analysis helps determining the association between the process input and the final output. Using this analysis, the experts identify the input that can lead to desired output response with control implementation.

However, there is a probability of occurrence of several issues while implementing Regression Analysis in the business process. Hence, it is required to initiate this tool with utmost consideration to avoid unfavourable circumstances.

Fishbone Diagram

Also known as cause and effect diagram, the Fishbone Diagram is the most popular structured tool in the process of brainstorming. The Six Sigma experts utilize this tool to help business teams identify the potential causes that resulted in a specified issue.

In order to start any process, it is important to mention the persisting problem and thereafter a session is organized by the concerned team to discuss various causes such as People, Material, Machine, Methods, Environment, Equipment and Management.

The above mentioned tools may appear complex but they are quite simple to implement and practice as per the complexity of the business process. One can opt for the best Lean Six Sigma Training in Bangalore to get an in-depth training of these tools and explore better career prospects.


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