Assess sources of variation for an improvement project and detail how this recognition will drive improvement efforts. Identify and create one additional Six Sigma tool to support the DMAIC "Analyze" Phase such as a Histogram, Pareto Chart, Time Series/Run Chart, Scatter Plot, Regression Analysis, Cause and Effect/Fishbone Diagram, 5 Whys, Process Map Review and Analysis, Statistical Analysis, Hypothesis Testing, or Non-Normal Data Analysis. 

Explain the methodology of determining root causes of issues in an organization and the various benefits root cause analysis tools bring to an organization.

Explain why you chose the tool you chose and the benefits the tool provided.