举例说明总体、样本、参数、统计量这几个概念及他们之间的区别和联系。 -题库考试答案搜索网

举例说明总体、样本、参数、统计量这几个概念及他们之间的区别和联系。

问答题

2022-04-02 21:14

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正确答案

区别:总体是具有某种共同性质的多个个体组成的集合;样本是从总体中抽取的一部分个体构成的集合;参数是用来描述总体特征的概括性数字的度量;统计量是用来描述样本特征的概括性数字度量。
联系:样本是从总体中抽取的一部分个体组成的集合;参数是用来描述总体的特征的;统计量是用来描述样本的特征的。
例如:河南省的所有工业企业构成一个总体,从中抽取100个企业就构成一个样本,对这100个企业构成的样本计算的企业平均工资、企业平均产值等就是统计量,而河南省所有工业企业的平均工资、平均产值则是参数。

试题解析

标签：东北林业大学会计学专升本统计学平时作业2

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