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关于最小二乘估计量的统计性质，以下说法正确的是（ ）。
多选

关于最小二乘估计量的统计性质，以下说法正确的是（ ）。

A 一致性是估计量的有限样本性质
B 渐近无偏性反映样本容量趋于无穷大时，估计量的均值序列是否收敛于总体的真值
C 渐近有效性反映样本容量趋于无穷大时，估计量是否依概率收敛于总体的均值
D 线性反映估计量是否是另一个随机变量的函数

正确答案
BD
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