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dsProject/dsRag/Txt/MATH_1_28.txt

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： 如何理解数据的随机性？
随机性与不确定性有所区别 / 减少系统误差 / 减少人为因素 /
估计是统计推断的重
要手段 / 最大似然估计 / 通过样本频率估计概率