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平均年龄如何计算
更新时间: 2020-10-19 00:00:00  

平均年龄是根据各年龄组人数或比重所计算的、反映某一人群的代表性年龄水平的指标,平均年龄的数值取决于该人群最高年龄的水平和各年龄组人数的比重,通常以算术平均数公式计算,即:平均年龄等于各年龄组的组中值乘以各年龄组人数之和,然后来除以人口总数。

关键词: 平均 年龄 如何 计算

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