Your question is Ensure Analysis Data Quality. Take a moment with it on the right.
Talk me through your thinking if you like. When you're confident, submit your answer and I'll grade it like a real screen (7/10 or better passes).
You are preparing a high-visibility analysis that will be used to make a business decision, and the underlying data comes from multiple sources with different owners. Before you publish results, you need confidence that the data is complete, accurate, and consistent enough to support the recommendation.
How do you ensure data quality in your analyses?