{
  "week": 5,
  "title": "Statistics for AI",
  "questions": [
    {
      "q": "Median is the?",
      "options": [
        "Most frequent value",
        "Middle value",
        "Largest value",
        "Average of labels"
      ],
      "answer": 1,
      "explanation": "Median is the middle value after sorting."
    },
    {
      "q": "Mode is the?",
      "options": [
        "Least frequent value",
        "Middle value",
        "Most frequent value",
        "Standard score"
      ],
      "answer": 2,
      "explanation": "Mode is the most frequent value."
    },
    {
      "q": "High standard deviation means data is?",
      "options": [
        "Very close together",
        "More spread out",
        "Always wrong",
        "Categorical"
      ],
      "answer": 1,
      "explanation": "Higher standard deviation implies more spread."
    }
  ]
}