D40-F05-A09 · GUIDED LEARNING LAB · SYNTHETIC DATA
Slice-Based Validation by Sector, Country, and Regime
Change minimum support and see which sector, country, or regime slices are eligible, null, or able to contradict the aggregate.
Teaching stage
Choose → step → observe → explain → compare
Try
Observe
Do not concludeThis synthetic lab validates metric mechanics, not production fitness, fairness, compliance, causation, or policy approval.
Compact evidence trace
Only the rows needed to explain this state are shown; the canonical implementation remains the source of truth. Accessibility QA can force deterministic reduced motion with ?reduced-motion=1.
| Evidence | Current value | Why it matters |
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