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第一类错误比第二类错误更严重是吗， 为啥呀？？？？？老师是这么说， 但我不知道原因那 

[此贴子已经被作者于2009-5-21 18:07:04编辑过]

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关键词：已解决 第二类错误 第一类错误 更严重 不知道 解决

Type I (α): reject the null hypothesis when the null hypothesis is true.

Type I error can be viewed as the error of excessive credulity.

Type II (β): fail to reject the null hypothesis when the null hypothesis is false.

Type II error can be viewed as the error of excessive skepticism.

Plainly speaking, a Type I error can usually be interpreted as a false alarm or insufficient specificity.

A Type II error could be similarly interpreted as an oversight, a lapse in attention or inadequate sensitivity.

[此贴子已经被作者于2009-5-21 17:31:13编辑过]