{
  "schema": "ml-prep/item@1",
  "item": {
    "id": "google-mlcc-classification-quiz",
    "area": "machine-learning",
    "topic": "classification",
    "origin": "external",
    "title": "Classification metrics knowledge check",
    "skills": [
      "confusion-matrix",
      "precision-recall",
      "decision-boundary"
    ],
    "priority": "core",
    "difficulty": "easy",
    "estimated_minutes": 10,
    "prerequisites": [
      "fractions"
    ],
    "source_id": "google-mlcc",
    "locator": {
      "document": "Machine Learning Crash Course",
      "label": "Classification — Test your knowledge"
    },
    "links": {
      "problem": "https://developers.google.com/machine-learning/crash-course/classification/test-your-knowledge",
      "solution": "https://developers.google.com/machine-learning/crash-course/classification/test-your-knowledge"
    },
    "selection_note": "Authoritative questions on threshold-dependent classification metrics.",
    "answer_status": "official-interactive-feedback"
  }
}