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type I error

   Also found in: Medical, Legal, Financial, Encyclopedia, Wikipedia 0.01 sec.
type I error
n
(Mathematics & Measurements / Statistics) Statistics the error of rejecting the null hypothesis when it is true, the probability of which is the significance level of a result


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A Type I error occurs when significance is falsely declared and a Type II error occurs when important differences are not detected.
The repercussions of making a Type I error or a Type II error differ greatly, however, for FDA drug reviewers.
0] is rejected only if the probability of a Type I error is [alpha] < 0.
 
 
 
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