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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A.完備性原則
B.同質(zhì)性原則
C.整齊可比性原則
D.互斥性原則
E.均衡分散性原則
A.模型設(shè)定誤差
B.對(duì)y的觀測(cè)誤差
C.對(duì)β0的估計(jì)錯(cuò)誤
D.對(duì)β1的估計(jì)錯(cuò)誤
E.各種細(xì)小的偶然誤差
A.環(huán)比變換
B.對(duì)數(shù)變換
C.差分變換
D.移動(dòng)平均變換
E.對(duì)數(shù)差分變換
A.馬埃指數(shù)
B.楊格指數(shù)
C.拉氏指數(shù)
D.費(fèi)暄指數(shù)
E.派氏指數(shù)
A.實(shí)際經(jīng)濟(jì)增長(zhǎng)率
B.名義經(jīng)濟(jì)增長(zhǎng)率
C.通貨膨脹率
D.失業(yè)率
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)?
在組距數(shù)列中,下限就是()
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
變量數(shù)列中,各組頻率之和應(yīng)()
對(duì)某班級(jí)學(xué)生的生活狀況進(jìn)行統(tǒng)計(jì)調(diào)查,下列標(biāo)志中屬于不變標(biāo)志的是()
某企業(yè)2018年技術(shù)工占50%,2019年新招收了一批學(xué)徒工,使學(xué)徒工的比重增加了10%。假定全廠各級(jí)工資水平均無(wú)變化,則2019年職工總平均工資將()
A cumulative frequency polygon is also called ().
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a ().
If the individual class frequency is divided by the total frequency, the result is the ().
品合格率指標(biāo)是()