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一、抽样统计数据大理州于２００２年云南省中考后，对本州数学试卷进行了分层抽样，共抽样本２００份。最高分１１７分，最低分１１分，平均分８５．１分，全距１０６。有关统计数据列表如下：表一２００２年大理州中考数学成绩抽样分段统计表分数段０／９１０／１９２０／２
I. Sampling Statistics Dali Prefecture conducted a stratified sampling of the state mathematics test papers in 2002 after the provincial examinations in Yunnan Province. A total of 200 samples were collected. The highest score was 117 points, the lowest score was 11 points, the average score was 85.1 points, and the entire distance was 106 points. The relevant statistical data are listed as follows: Table 1 2002 Dali State College Entrance Examination Mathematics Sampling Segment Statistics Table Score Segment 0/910/1920/2