This is business statistics question Compare and contrast the fundamental differ

Question

This is business statistics question

Compare and contrast the fundamental differences between special-cause variation and common-cause variation. Provide one (1) business process example of each variation to support your response.

Select one (1) project from the working or educational environment of your choice and specify the variation nature of the project in question. Next, propose the overall manner in which you would apply statistical thinking strategy to improve the end result of the selected project. Provide a rationale to support your response.

Explanation / Answer

Common cause versus special cause variation

Variation comes from two sources: common causes and special causes. Some variation is just natural; you can’t eliminate it. That’s common cause variation. The natural forces of nature work to mix things up. It’s simply part of the normal course of events. Consider the earlier coin-toss example; the variation in the number of heads from set to set is perfectly normal.

Now consider a few examples in human systems. Think about the time each day when the mailman comes or how long it takes to process a credit card application. They all vary, and the variation is a natural part of their systems.

Special cause variation is completely different — it’s directly caused by something special. If the mailman usually comes at about 11:30 each day but gets a flat tire on Tuesday and doesn’t come until noon, that’s a special cause of variation. If it normally takes 15 minutes to process a credit card application, but the network connection goes down and prolongs the procedure, that’s a special cause.

These special causes are specific things you can identify and do something about. Special cause variation is captured in the X input factors of the breakthrough equation.

With Six Sigma, you spend particular effort to understand the difference between common cause and special cause variation because they’re so different and because you go to special effort to identify which type is causing the variation and how it’s affecting the outcome.

for the other question

I can gladly help you bur you should post it in a new question

Related Questions

Navigate

• Browse (All)
• Browse T
• Subjects

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.