SQL (pulling and joining data from multiple sources reliably)
Dashboarding and reporting (Tableau, Power BI, Looker, or similar)
Marketing measurement basics (attribution concepts, funnel metrics, conversion tracking)
Location and geography analysis basics (regional comparisons, store benchmarking, map-based reporting)
Experimentation and test design (A/B tests, geo tests, measuring lift)
Statistics fundamentals (sampling, confidence, correlation vs. causation)
Data storytelling (clear charts, concise takeaways, recommendation-first communication)
Stakeholder management (aligning on questions, timelines, and “what decision will this support?”)
Data quality mindset (validation checks, documenting definitions, spotting anomalies)
Spreadsheet fluency (quick modeling and QA in Excel/Google Sheets)