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当前学科：统计学原理
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已知某工厂生产三种不同产品，在掌握其基期、报告期的总产值和个体产量指数时，编制三种产品产量总指数应采用（）。
A . 加权算术平均数指数
B . 数量指标综合指数
C . 加权调和平均数指数
D . 质量指标综合指数
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