在人教版七年级下册“统计调查”这节课的教学中,由于课本中的总体、个体、样本概念不明确,给教师和学生的理解带来了不便,针对这种情况我查询了资料,进行了研究,有了点想法,提出来与大家一起探讨.【课堂实录】问题:选择:为了了解某市2万名学生参加中考的情况,教育部门从中抽取了600名学生的成绩进行分析,这个问题中(). In the teaching of the “Graduate Survey” in the seventh grade of the People’s Education Press, the concept of the general, individual, and sample in the textbook is not clear, which has brought inconvenience to the understanding of teachers and students. Inquired about the data, conducted research, had some ideas, and proposed to discuss with everyone. [Classroom Record] Question: Choice: In order to understand the fact that 20,000 students in a city participated in the examination, the education department took 600 students from it. Analysis of results, this issue ().