单项选择题纵向合并要求具备以下条件:()

A.待合并的两个数据文件的数据结构完全相同
B.可以是两个完全不相干的数据文件
C.在两个数据文件中,数据含义相同的数据项最好起相同的变量名
D.待合并的两个数据文件的个案数相同


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2.单项选择题哪种类型的变量可以不定义变量值标签()

A.定类型变量
B.定序型变量
C.定距型变量

3.单项选择题下列关于SPSS的数据文件的说法,正确的是()

A.SPSS数据文件和Excel表格是一样的
B.数据文件中一行或一列是一个变量
C.数据文件中有变量视窗和数据视窗两个视窗
D.SPSS数据文件可以用Excel打开

5.单项选择题数据分析中,首先要做的工作是()

A.正确收集数据
B.加工整理数据
C.分析数据
D.明确分析目标

6.单项选择题SPSS输出结果默认的文件扩展名是()

A.sps
B.spo
C.sav
D.rtf

7.单项选择题SPSS的主程序窗口是()

A.数据编辑窗口
B.结果输出窗口
C.语句窗口
D.命令窗口

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