统计部分近年来以统计初步为背景的试题不断推陈出新,然而考生答题的正确率并不高.下面我将对部分中考试题作简要分析,希望对同学们有所帮助.一、关于统计的有关概念例1为了了解某市初三毕业生升学考试数学成绩的状况,从参加考试的学生中抽查了1000名学生的数学成绩进行统计分 In recent years, the statistics part has been continuously updated with the preliminary questions of statistics. However, the correctness of the candidates’ answers is not high. I will briefly analyze some of the examination questions in the following and hope to help the students. First, the concept of statistics Example 1 In order to understand the status of the mathematics achievement of a third-graduate entrance examination in a city, a sample of 1000 students’ math scores was taken from the students who took the test for statistical analysis.