{
  "id": "S032",
  "type": "单选题",
  "type_code": "single",
  "stem": "某老师承担了两个班级学生的统计学课程授课任务。其中，一班有25名学生，期末平均成绩为82；二班有15名学生，期末平均成绩为74。则该老师所讲授两个班级学生统计学课程的总平均成绩为（ ）。",
  "stem_text": "某老师承担了两个班级学生的统计学课程授课任务。其中，一班有25名学生，期末平均成绩为82；二班有15名学生，期末平均成绩为74。则该老师所讲授两个班级学生统计学课程的总平均成绩为（ ）。",
  "options": [
    {
      "key": "A",
      "text": "76"
    },
    {
      "key": "B",
      "text": "78"
    },
    {
      "key": "C",
      "text": "79"
    },
    {
      "key": "D",
      "text": "80"
    }
  ],
  "options_text": [
    {
      "key": "A",
      "text": "76"
    },
    {
      "key": "B",
      "text": "78"
    },
    {
      "key": "C",
      "text": "79"
    },
    {
      "key": "D",
      "text": "80"
    }
  ],
  "answer_keys": [
    "C"
  ],
  "answer_display": "C",
  "answer_texts": [
    "79"
  ],
  "sources": [
    {
      "edition": "第12届",
      "edition_num": 12,
      "no": 32,
      "uid": "12-032",
      "file": "第12届本科模拟题（10.19）.xlsx"
    }
  ],
  "source_display": "第12届 第32题",
  "source_count": 1,
  "images": [],
  "warnings": [],
  "conflict": null,
  "url": "/q/S032.html"
}