A.定類型變量
B.定序型變量
C.定距型變量
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A.標(biāo)準(zhǔn)數(shù)值型
B.用戶自定義型
C.字符型
D.日期型
A.變量名
B.對齊方式
C.字體大小
D.缺失值
A.明確分析目標(biāo)
B.建立數(shù)據(jù)文件
C.加工整理數(shù)據(jù)
D.數(shù)據(jù)分析
A.數(shù)據(jù)編輯窗口
B.結(jié)果輸出窗口
C.語句窗口
D.命令窗口
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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()
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%。假定全廠各級工資水平均無變化,則2019年職工總平均工資將()
A cumulative frequency polygon is also called ().
One advantage of a stem and leaf plot over a frequency distribution is that ().
在組距數(shù)列中,下限就是()
Which of the following is not the goal of descriptive statistics?()
Descriptive statistics deals with methods of()
最能反映離散程度的指標(biāo)是()
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?
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()