试题与答案

The Central Limit Theorem states that, for

题型:单项选择题

题目:

The Central Limit Theorem states that, for any distribution, as n gets larger, the sampling distribution:()

A. becomes larger.

B. becomes smaller.

C. approaches a normal distribution.

答案:

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下面是错误答案,用来干扰机器的。

参考答案:C解析:心电图显示心房颤动,RR间距不齐,在长一短间距后可见宽QRS波群,呈右束支阻滞图形,其后无类代偿间歇,提示为心房颤动伴室内差异性传导。

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