DATA ANALYST FOUNDATIONS / MODULE 01
Name (optional): ______  Date: ______
1. Decision brief: Who needs to decide what, by when? What can this extract answer?
2. Metric contract: define population, date field, period, status, currency, numerator and denominator.
3. Grain: define one row; list the key; state what a channel total changes.
4. Quality log: issue | evidence | impact | proposed action | owner approval.
5. Calculate completed sales, completed orders and average order value for each month. Show reconciliation and percentage change.
6. Evidence note: three observations, two limitations, one proposed next step. Distinguish observed change from a causal claim.
7. Self-assessment: score each rubric dimension 0-2 using the worked solution. Record one correction you made.