Six Sigma Green Belt Certification Practice Exam

Which tool can be used to break down a problem into manageable pieces?

1. Normal Distribution

2. Histogram

3. Control Chart

4. Cause-and-Effect Diagram

The correct answer is: Cause-and-Effect Diagram

The Cause-and-Effect Diagram, also known as the Fishbone Diagram or Ishikawa Diagram, is a powerful tool for breaking down a problem into manageable pieces. It allows teams to visually map out the various causes that contribute to a specific effect or problem. By doing this, it facilitates deeper analysis and understanding of complex issues by categorizing potential causes and sub-causes into distinct branches, making it easier to identify areas for improvement. This structured approach helps teams to systematically explore and address the root causes of a problem, rather than just focusing on symptoms. It encourages collaboration among team members from different areas of expertise, resulting in a more thorough examination of the factors that may be contributing to the issue at hand. In contrast, other options like Normal Distribution, Histogram, and Control Chart serve different purposes. While they are valuable in understanding data, variability, and performance over time, they do not specifically aid in breaking down a problem into its constituent parts in the same visual and structured manner as a Cause-and-Effect Diagram does.