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在数据的收集与整理中,涉及调查统计、收集数据、整理数据等知识点.一些同学由于对数据收集的过程存在着一些模糊认识或对统计图不理解,因而出现这样或那样的错误.下面就一些常见的错解加以剖析,请看几例.一、对总体、样本、个体的概念混淆不清例1为了解某市参加中考的32000名学生的体重情况,抽查了1600名学生并对其体重进行统计分析,下面叙述正确的是().A.32000名学生是总体B.1600名学生的体重是总体
In data collection and collation, it involves some knowledge such as surveying and collecting, collecting data, arranging data, etc. Some students have some errors or some mistakes in the process of data collection because they have some vague understanding or do not understand the statistics. A number of common mistakes to analyze, a few examples.First, on the whole, the concept of sample, individual confusion Example 1 In order to understand the city to participate in the examination of the 32,000 students in weight, spot checks of 1,600 students and The weight of the statistical analysis, the following is correct () .A.32000 students are overall B.1600 students’ weight is the overall