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A.第一類錯(cuò)誤被稱為棄真錯(cuò)誤
B.第一類錯(cuò)誤被稱為納偽錯(cuò)誤
C.第二類錯(cuò)誤被稱為納偽錯(cuò)誤
D.第二類錯(cuò)誤是原假設(shè)不正確,但卻被接受的錯(cuò)誤
E.第一類錯(cuò)誤是原假設(shè)正確,但卻被拒絕的錯(cuò)誤
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最新試題
為什么在計(jì)算平均指標(biāo)的基礎(chǔ)上還有必要進(jìn)一步計(jì)算變異指標(biāo)?
A cumulative frequency polygon is also called ().
如果居民按報(bào)告期價(jià)格購(gòu)買商品需多支出40萬元,報(bào)告期商品銷售額為200萬元,則價(jià)格指數(shù)為()
在組距數(shù)列中,下限就是()
If the individual class frequency is divided by the total frequency, the result is the ().
變量數(shù)列中,各組頻率之和應(yīng)()
時(shí)間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
The number of phone calls arriving at a switchboard each hour has been recorded and the following frequency distribution has been developed.What is the cumulative frequency of the third class?()
A cumulative frequency distribution would provide().
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()