{
  "id": "S169",
  "type": "单选题",
  "type_code": "single",
  "stem": "在单因素多变量方差分析中，已知组内平方和的自由度为12，组间平方和的自由度为5，总平方和的自由度为（）。",
  "stem_text": "在单因素多变量方差分析中，已知组内平方和的自由度为12，组间平方和的自由度为5，总平方和的自由度为（）。",
  "options": [
    {
      "key": "A",
      "text": "60"
    },
    {
      "key": "B",
      "text": "59"
    },
    {
      "key": "C",
      "text": "17"
    },
    {
      "key": "D",
      "text": "16"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "60"
    },
    {
      "key": "B",
      "text": "59"
    },
    {
      "key": "C",
      "text": "17"
    },
    {
      "key": "D",
      "text": "16"
    }
  ],
  "answer_keys": [
    "C"
  ],
  "answer_display": "C",
  "answer_texts": [
    "17"
  ],
  "sources": [
    {
      "edition": "第14届",
      "edition_num": 14,
      "no": 56,
      "uid": "14-056",
      "file": "第14届市调大赛本科组模拟题(9).docx"
    }
  ],
  "source_display": "第14届 第56题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S169.html"
}