A.Both file iprovide cases
B.External file is keyed table
C.Working data file is keyed table
D.Indicate case source as variable
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你可能感興趣的試題
A.待合并的兩個數(shù)據(jù)文件的數(shù)據(jù)結(jié)構(gòu)完全相同
B.可以是兩個完全不相干的數(shù)據(jù)文件
C.在兩個數(shù)據(jù)文件中，數(shù)據(jù)含義相同的數(shù)據(jù)項最好起相同的變量名
D.待合并的兩個數(shù)據(jù)文件的個案數(shù)相同
A.Name
B.Label
C.Values
D.Missing
A.定類型變量
B.定序型變量
C.定距型變量
A.SPSS數(shù)據(jù)文件和Excel表格是一樣的
B.數(shù)據(jù)文件中一行或一列是一個變量
C.數(shù)據(jù)文件中有變量視窗和數(shù)據(jù)視窗兩個視窗
D.SPSS數(shù)據(jù)文件可以用Excel打開
A.原始數(shù)據(jù)的組織方式
B.計數(shù)數(shù)據(jù)的組織形式
最新試題
If the individual class frequency is divided by the total frequency, the result is the （）.
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 （）.
某廠某年職工勞動生產(chǎn)率為20000元，是歷史最高水平的1.2倍。這里的1.2倍是（）
某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組，請指出哪項是正確的（）
品合格率指標(biāo)是（）
要了解某地區(qū)全部大學(xué)生的就業(yè)情況，那么（）
Which of the following statements is not true？（）
The number of class intervals in a frequency distribution is usually between （）.
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？（）
什么是季節(jié)變動？研究它的意義何在？如何測定季節(jié)變動？