{
  "id": "M084",
  "type": "多选题",
  "type_code": "multiple",
  "stem": "一元线性回归中，可以说明回归模型的假设合理的残差图特征有（）。",
  "stem_text": "一元线性回归中，可以说明回归模型的假设合理的残差图特征有（）。",
  "options": [
    {
      "key": "A",
      "text": "残差落在一水平直线附近"
    },
    {
      "key": "B",
      "text": "残差落在一倾斜直线附近"
    },
    {
      "key": "C",
      "text": "残差的正态概率图大致落在一条直线附近"
    },
    {
      "key": "D",
      "text": "残差关于一水平直线大致对称"
    },
    {
      "key": "E",
      "text": "随自变量增大，残差的绝对值也增大"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "残差落在一水平直线附近"
    },
    {
      "key": "B",
      "text": "残差落在一倾斜直线附近"
    },
    {
      "key": "C",
      "text": "残差的正态概率图大致落在一条直线附近"
    },
    {
      "key": "D",
      "text": "残差关于一水平直线大致对称"
    },
    {
      "key": "E",
      "text": "随自变量增大，残差的绝对值也增大"
    }
  ],
  "answer_keys": [
    "A",
    "C",
    "D"
  ],
  "answer_display": "ACD",
  "answer_texts": [
    "残差落在一水平直线附近",
    "残差的正态概率图大致落在一条直线附近",
    "残差关于一水平直线大致对称"
  ],
  "sources": [
    {
      "edition": "第17届",
      "edition_num": 17,
      "no": 71,
      "uid": "17-071",
      "file": "17届市调大赛本科组模拟题.docx"
    }
  ],
  "source_display": "第17届 第71题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/M084.html"
}