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第六章 计量指标示例分析
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从计量资料的频数分布表和频数分布图可以看出样本观察值的情况,但还必须对样本观察值进行进一步统计描述分析,即采用计算统计量方法揭示数据的基本特征。这些特征包括集中趋势和离散程度。
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