Discusion Board Variation and Statistical Thinking Strategy

"Variation and Statistical Thinking Strategy" Please respond to the following:

Note: Online students, please select one of the two subjects to discuss.

• 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.