{
  "id": "S225",
  "type": "单选题",
  "type_code": "single",
  "stem": "Fisher判别法的建立思想基础为（ ）。",
  "stem_text": "Fisher判别法的建立思想基础为（ ）。",
  "options": [
    {
      "key": "A",
      "text": "方差分析"
    },
    {
      "key": "B",
      "text": "假设检验"
    },
    {
      "key": "C",
      "text": "最小误判准则"
    },
    {
      "key": "D",
      "text": "距离最短"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "方差分析"
    },
    {
      "key": "B",
      "text": "假设检验"
    },
    {
      "key": "C",
      "text": "最小误判准则"
    },
    {
      "key": "D",
      "text": "距离最短"
    }
  ],
  "answer_keys": [
    "A"
  ],
  "answer_display": "A",
  "answer_texts": [
    "方差分析"
  ],
  "sources": [
    {
      "edition": "第15届",
      "edition_num": 15,
      "no": 58,
      "uid": "15-058",
      "file": "第15届市调大赛本科组模拟题1.docx"
    }
  ],
  "source_display": "第15届 第58题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S225.html"
}