随机抽取5个零件进行检查,其误差结果分别为0.12,0.10,0.0.0.16,则样本的平均误差为()
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随机抽取5个零件进行检查,其误差结果分别为0.12,0.10,0.0.0.16,则样本的平均误差为()
A.0.14;
B.0.15;
C.0.146;
D.0.20.
参考答案:
随机抽取5个零件进行检查,其误差结果分别为0.12,0.10,0.0.0.16,则样本的平均误差为()
A.0.14;
B.0.15;
C.0.146;
D.0.20.
参考答案: