45 scenario MCQs (Bloom 3-4) across SQL/Python/EDA/ML/GenAI, 90 minutes. Pass: >= 80% overall AND 100% on the 15 core items (marked). Full blueprint: docs/curriculum/ds-final-proctored-45q-blueprint.md. Video shell: courses/video-scripts/ds-interview-prep/05-proctored-final-brief.md.
Practice surface (unpublished): ds-final-proctored-45q.
Do not start
Until the data-scientist final milestone placeholder is flipped to required (owner action — this seed never flips it).