The document summarizes the Analyze phase of a Lean Six Sigma project. It lists the tools and activities used in Analyze such as value stream mapping, root cause analysis, hypothesis testing, and prioritizing sources of waste. Graphs and examples are provided to illustrate how some of the tools are applied. The next steps outlined are to identify root causes, confirm the relationship between causes and outputs, estimate the impact of causes, and prioritize the root causes to address in the Improve phase.