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【多选题】
下列关于平均指标的理解正确的是()。
A.
把某一数量标志在总体各单位之间的数量差异抽象化
B.
反映总体各单位某一数量标志值的一般水平,是个代表性数值
C.
现象总体的同质性是计算和应用平均数的前提条件
D.
反映总体各单位标志值之间的差异
E.
反映总体各单位变量值分布的集中趋势
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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A.
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B.
错误
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A.
insurance.
B.
inherent
C.
amateur
D.
individual
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