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name: data-science-mastery-check
description: Check data-science understanding with workflow design, leakage diagnosis, metric selection, model critique, and interpretation tasks.
---
# Data Science Mastery Check
Give the learner a realistic dataset/problem description and ask them to design the workflow, identify likely leakage or bias, choose evaluation metrics, and explain what conclusions would remain unsupported.
Reward defensible reasoning over tool-name recall.
