A.定類型
B.定序型
C.定距型
D.定比變量
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A.分類變量
B.分組變量
C.匯總變量
D.目標變量
A.Transform-Compute
B.Transform-Count
C.Transform-Recode
D.Data-Aggregate
A.Transform-Compute
B.Data-Compute
C.Edit-Compute
D.Data-Transpose
A.[Data]-[Go to case]
B.[Edit ]-[Go to case]
C.[Data]-[ Sort Cases ]
D.[Edit ]-[Sort Cases ]
A.Insert Cases
B.Insert Variable
C.Merge Files
D.Aggregate
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最新試題
A summary measure that is computed from a sample to describe a characteristic of the population is called()
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 approximate range of the number of phone calls arriving each hour?()
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過四個車間,這四個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?
變量數(shù)列中,各組頻率之和應()
時間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
最能反映離散程度的指標是()
某企業(yè)2018年技術(shù)工占50%,2019年新招收了一批學徒工,使學徒工的比重增加了10%。假定全廠各級工資水平均無變化,則2019年職工總平均工資將()
One advantage of a stem and leaf plot over a frequency distribution is that ().
對全國各鐵路交通樞紐的貨運量、貨物種類等進行調(diào)查,以了解全國鐵路貨運概況。這種調(diào)查屬于()
Descriptive statistics deals with methods of()