Downloads
Start with the Excel workbook, then use the checklists to turn one-off analysis into repeatable workflows.
Includes three editable sheets: Repurchase Diagnosis, A/B Test Design, and A/B Test Analysis. Use it for tutorials, portfolio projects, and business reporting practice.
A step-by-step checklist for checking metric definitions, numerator and denominator changes, segments, data quality, and next actions.
Download checklistUse before launching an experiment to verify the hypothesis, audience, traffic split, tracking, metrics, sample-size thinking, and decision rules.
Download checklistHow to use these
Templates are useful only when the metric definition and decision context are clear. For each download, start with a specific question, document the assumptions, then use the workbook or checklist to structure your answer.