{
  "id": "S180",
  "type": "单选题",
  "type_code": "single",
  "stem": "下列关于非概率抽样的叙述，错误的是（ ）。",
  "stem_text": "下列关于非概率抽样的叙述，错误的是（ ）。",
  "options": [
    {
      "key": "A",
      "text": "非概率抽样抽取样本时不遵照随机原则"
    },
    {
      "key": "B",
      "text": "非概率抽样无法知道样本统计量的分布"
    },
    {
      "key": "C",
      "text": "非概率抽样估计结果的精确性可以用抽样误差来衡量"
    },
    {
      "key": "D",
      "text": "非概率抽样的最大特点是操作简便、时效快、成本低"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "非概率抽样抽取样本时不遵照随机原则"
    },
    {
      "key": "B",
      "text": "非概率抽样无法知道样本统计量的分布"
    },
    {
      "key": "C",
      "text": "非概率抽样估计结果的精确性可以用抽样误差来衡量"
    },
    {
      "key": "D",
      "text": "非概率抽样的最大特点是操作简便、时效快、成本低"
    }
  ],
  "answer_keys": [
    "C"
  ],
  "answer_display": "C",
  "answer_texts": [
    "非概率抽样估计结果的精确性可以用抽样误差来衡量"
  ],
  "sources": [
    {
      "edition": "第15届",
      "edition_num": 15,
      "no": 8,
      "uid": "15-008",
      "file": "第15届市调大赛本科组模拟题1.docx"
    }
  ],
  "source_display": "第15届 第8题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S180.html"
}