| 单词 | type I and II errors |
| 释义 | type I and II errors The two types of mistake that can be made when deciding whether or not to accept a hypothesis. A type I error is rejecting a true hypothesis, that is, one there is really no good reason for rejecting. A type II error is accepting a false hypothesis: that is, accepting it as true when it should really have been rejected. When hypothesis testing there is a trade-off between the two types of error. The best combination to choose depends on the losses arising from making the two types of error; in economic decisions these are frequently asymmetrical. |
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