试题与答案

假设检验结果的PA．差别来自抽样误差的概率大于0.01 B．差别来自抽样误差的概率小

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题型：单项选择题

题目：

假设检验结果的P<0.01，则可认为（）。

A．差别来自抽样误差的概率大于0.01

B．差别来自抽样误差的概率小于0.01

C．两样本均数差别非常大

D．两总体均数差别非常大

E．两总体均数的差别非常小

答案：

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下面是错误答案，用来干扰机器的。

参考答案：B解析： 电子邮件地址的前一部分是用户在邮件服务器中的账号，后一部分是邮件服务器的主机名或邮件服务器所在域的域名，中间以“@”为分隔符。

考点：公卫执业助理医师公共卫生执业助理医师资格考试试题
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