设总体,…,是来自总体的一个样本,则的无偏估计量是( ). -题库考试答案搜索网

设总体,…,是来自总体的一个样本,则的无偏估计量是( ).

单选题

2022-04-01 20:05

A、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/154563383291750cd2dda01544deabc48386b77a484b8image42.png">
B、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545633833006f14b3285c1d54526a559a705fdf03ca1image43.png">
C、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/1545633833104e36178594dea45c983622dddeb8f0cf0image44.png">
D、<img src="https://s3.cn-north-1.amazonaws.com.cn/qingshuxuetang/examination/imgUplod/15456338331905078883a1e454fad8c32c131fac86679image45.png">

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标签：东北林业大学土木工程专升本概率论与数理统计平时作业1

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