您可能感興趣的試卷
你可能感興趣的試題
A.第一類(lèi)錯(cuò)誤被稱(chēng)為棄真錯(cuò)誤
B.第一類(lèi)錯(cuò)誤被稱(chēng)為納偽錯(cuò)誤
C.第二類(lèi)錯(cuò)誤被稱(chēng)為納偽錯(cuò)誤
D.第二類(lèi)錯(cuò)誤是原假設(shè)不正確,但卻被接受的錯(cuò)誤
E.第一類(lèi)錯(cuò)誤是原假設(shè)正確,但卻被拒絕的錯(cuò)誤
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
最新試題
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). The average number of absences per employee, calculated from the personnel data of all employees, is a ().
Descriptive statistics deals with methods of()
對(duì)全國(guó)各鐵路交通樞紐的貨運(yùn)量、貨物種類(lèi)等進(jìn)行調(diào)查,以了解全國(guó)鐵路貨運(yùn)概況。這種調(diào)查屬于()
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
品合格率指標(biāo)是()
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過(guò)四個(gè)車(chē)間,這四個(gè)車(chē)間的廢品率分別為1.5%、2.0%、2.0%和1.0%。該企業(yè)生產(chǎn)這種產(chǎn)品的平均廢品率是多少?
One advantage of a stem and leaf plot over a frequency distribution is that ().
Which of the following is not the goal of descriptive statistics?()
最能反映離散程度的指標(biāo)是()
一個(gè)地區(qū)一定時(shí)期的商品零售額屬于()