{
  "id": "S162",
  "type": "单选题",
  "type_code": "single",
  "stem": "下列有关参数估计的说法错误的是（ ）。",
  "stem_text": "下列有关参数估计的说法错误的是（ ）。",
  "options": [
    {
      "key": "A",
      "text": "参数估计就是利用样本统计量的值来对总体的参数进行估计"
    },
    {
      "key": "B",
      "text": "参数估计有点估计和区间估计等形式"
    },
    {
      "key": "C",
      "text": "区间估计必须有相应的置信度作为保证"
    },
    {
      "key": "D",
      "text": "区间估计的宽度越大说明估计的精确度越高"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "参数估计就是利用样本统计量的值来对总体的参数进行估计"
    },
    {
      "key": "B",
      "text": "参数估计有点估计和区间估计等形式"
    },
    {
      "key": "C",
      "text": "区间估计必须有相应的置信度作为保证"
    },
    {
      "key": "D",
      "text": "区间估计的宽度越大说明估计的精确度越高"
    }
  ],
  "answer_keys": [
    "D"
  ],
  "answer_display": "D",
  "answer_texts": [
    "区间估计的宽度越大说明估计的精确度越高"
  ],
  "sources": [
    {
      "edition": "第14届",
      "edition_num": 14,
      "no": 46,
      "uid": "14-046",
      "file": "第14届市调大赛本科组模拟题(9).docx"
    }
  ],
  "source_display": "第14届 第46题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S162.html"
}