{
  "id": "S269",
  "type": "单选题",
  "type_code": "single",
  "stem": "样本估计值与总体的真实指标值之间的差距是（）。",
  "stem_text": "样本估计值与总体的真实指标值之间的差距是（）。",
  "options": [
    {
      "key": "A",
      "text": "调查误差"
    },
    {
      "key": "B",
      "text": "抽样精度"
    },
    {
      "key": "C",
      "text": "估计差错"
    },
    {
      "key": "D",
      "text": "估计精度"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "调查误差"
    },
    {
      "key": "B",
      "text": "抽样精度"
    },
    {
      "key": "C",
      "text": "估计差错"
    },
    {
      "key": "D",
      "text": "估计精度"
    }
  ],
  "answer_keys": [
    "A"
  ],
  "answer_display": "A",
  "answer_texts": [
    "调查误差"
  ],
  "sources": [
    {
      "edition": "第16届",
      "edition_num": 16,
      "no": 49,
      "uid": "16-049",
      "file": "第16届市调大赛本科组模拟题一(1).docx"
    },
    {
      "edition": "第17届",
      "edition_num": 17,
      "no": 49,
      "uid": "17-049",
      "file": "17届市调大赛本科组模拟题.docx"
    }
  ],
  "source_display": "第16届 第49题、第17届 第49题",
  "source_count": 2,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S269.html"
}