The data gathering exercise results in quantitative data in abundance. How you want to analyze it depends broadly on your plan to arrive at the solution. Nevertheless, it depends on three fundamental questions. But as a precursor to these questions, one must keep in mind that the larger purpose of using wide ranging interacting data is to understand the processes, problems and the best possible solutions as applied to Six Sigma implementation.
Six Sigma: Statistical Thinking
Statistical thinking involves the tendency to want to study the complete contextual situation when a wide ranging statistical inputs and control factors of several natures may be interacting simultaneously to produce a particular output.
To understand the principle better, one can begin with the one factor at a time (OFAT) theory, which refers to the natural tendency of the investigator to change only one factor at a time and ?record? the results until all other factors are tested this way. The results need to be put in place in the natural logical manner that would have occurred had the study been conducted in the opposite of OFAT.
The Fundamental Question
As we discussed earlier, there are three fundamental questions that need to be addressed in the order that the data is analyzed.
1.Whether the level of the measurement of the variables is known? If yes;
a.Nominal or Crude Ordinal
b.Good Ordinal or Interval or Ratio
2.Size of the sample is another consideration. What kinds and how many of them are being considered?
a.One sample only
b.Two samples; Specify either dependent or independent
c.Multiple samples; Specify either dependent or independent
3.What are my anticipations about the statements on data that I will be able to make?
a.Define the sample data but without generalizing to the larger batch size
i.Discuss each factor such as distribution, central tendency and variation in the context of a single variable.
ii.Discuss the relationship between two or more variables if that is the case.
b.Now, moving away a bit, generalize the samples to the batch size from which they were drawn. The process of statistical inference or hypothesis testing, as this is called, relies on the probability theory to determine the risk of an inaccurate generalization.
i.For a single variable, discuss the various factors in the same way as in the above case.
ii.For two or more samples discuss the differences between them concerning whether they are independent or dependent?
iii.Relationship between two variables and again the relationship shared between more variables.
In continuance with the discussion, the choice for adopting the appropriate statistical technique and going ahead with the task on hand rests with the answers to the above questions. Nevertheless, the philosophy of effective statistical thinking and action on a further course is better based on the following guiding principles:
1.In a system all reactions occur in interconnected processes
2.Variation is part and parcel of all processes
3.The key to success lies in understanding and reducing variations
Statistical thinking succeeds in paving the way for a holistic approach to the deployment of Six Sigma. It can't be thought of in isolation.
Six Sigma Video Clips
The deciding factor for the success of Six Sigma is to have the right people for the right projects. Human resource (HR) professionals are capable of finding the right people. HR can be involved with the Six Sigma projects for varied reasons. By familiarizing them with Six Sigma and giving them basic knowledge on various methods and tools, HR can contribute largely to Six Sigma projects.
HR can assist in creating job descriptions for candidates before they become a part of the team. Along with selecting appropriate people, they can ensure that Black Belts and the team get training in teamwork, conflict management and personal communication skills.
They can assist Black Belts in sorting out team-related challenges or issues. They can also provide the team with tools that can be used to measure their own performance and identify improvement areas.
HR professionals, with their project management education and analytical skills, can help play a major role in strategic, operational and administrative activities of Six Sigma projects. HR professionals can use the Six Sigma methodology in risk areas, where safety and health issues are a priority.
Six Sigma requires an in-depth study of the existing system, ensuring identification of danger areas.
Analyze and Design Metrics
HR professionals can contribute to analyzing and designing relevant metrics. It is necessary to understand the strategic as well as organizational initiatives for the purpose of understanding the usefulness of a metric. HR professionals, who are familiar with strategic initiatives, may already have data that may are needed for these metrics.
They have knowledge about internal benchmarking for comparison of similar operations in the organization. This knowledge helps them in identifying issues, which are critical to quality factors (CTQs). HR professionals are also adept in documenting best practices.
This skill can be used in Six Sigma projects, so that the best practices become a part of processes throughout the organization.
Scorecards
HR professionals generally make scorecards for their department. The scorecards are useful for monitoring the business success. HR professionals can contribute in implementing the scorecard system in a Six Sigma project scenario.
Sometimes candidates selected for Six Sigma roles prove to be potential candidates for future leadership positions. The integration of HR systems with Six Sigma deployment is vital to the success of the project.
Managing Change
Introducing Six Sigma in an organization brings up the issue of change with regards to new systems to be introduced, and the discarding of old methods. If HR change agents are involved in the project right from the beginning, then they can facilitate the impact of these changeovers. HR also has the role of retaining the Black Belts by involving them in other challenging projects.
HR employees can also follow up with a good reward and recognition for a job successfully completed. They can assist the project leader in creating a strategic compensation plan to support the Six Sigma team, as well as in designing a non-monetary reward program.
HR departments can play a major role in the successful implementation of Six Sigma projects that may change the organizational culture. HR professionals who have an inclination to work with Six Sigma projects are assets to any company, and can prove to be role models for future projects.
Tony Jacowski has sinced written about articles on various topics from University, Six Sigma and Information Technology. Tony Jacowski is a quality analyst for The MBA Journal. Aveta Solution's Six Sigma Online offers online six sigma training and certification classes for lean six sigm. Tony Jacowski's top article generates over 90500 views. Bookmark Tony Jacowski to your Favourites.
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