{
  "id": "J060",
  "type": "判断题",
  "type_code": "judge",
  "stem": "频率是指频数与全体观测值个数的比值，不可以用来反映数据的结构。",
  "stem_text": "频率是指频数与全体观测值个数的比值，不可以用来反映数据的结构。",
  "options": [
    {
      "key": "A",
      "text": "对"
    },
    {
      "key": "B",
      "text": "错"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "对"
    },
    {
      "key": "B",
      "text": "错"
    }
  ],
  "answer_keys": [
    "B"
  ],
  "answer_display": "B",
  "answer_texts": [
    "错"
  ],
  "sources": [
    {
      "edition": "第17届",
      "edition_num": 17,
      "no": 80,
      "uid": "17-080",
      "file": "17届市调大赛本科组模拟题.docx"
    }
  ],
  "source_display": "第17届 第80题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/J060.html"
}