A.方案枝
B.狀態(tài)枝
C.決策點(diǎn)
D.狀態(tài)點(diǎn)
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A.大中取小原則
B.小中取大原則
C.大中取大原則
D.折中原則
A.n
B.p
C.n-p
D.n+p
A.均大于0
B.均等于0
C.均小于0
D.均不為0
A.線性函數(shù)依存關(guān)系
B.確定性的數(shù)量依存關(guān)系
C.非線性函數(shù)依存關(guān)系
D.非確定性的數(shù)量依存關(guān)系
A.相互關(guān)聯(lián)
B.互不相關(guān)
C.計(jì)量逐步精確
D.方法逐步改進(jìn)
最新試題
The number of class intervals in a frequency distribution is usually between ().
在組距數(shù)列中,下限就是()
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 ().
什么是季節(jié)變動(dòng)?研究它的意義何在?如何測(cè)定季節(jié)變動(dòng)?
最能反映離散程度的指標(biāo)是()
變量數(shù)列中,各組頻率之和應(yīng)()
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過(guò)四個(gè)車間,這四個(gè)車間的廢品率分別為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?
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()
Descriptive statistics deals with methods of()
One advantage of a stem and leaf plot over a frequency distribution is that ().