A.数据拆分选择的菜单是Data-Split File
B.数据拆分的本质就是对数据按拆分变量进行排序
C.数据拆分的本质是将一个数据文件分成了若干个独立的数据文件
D.数据拆分对后面的分析一直起作用,直到取消拆分为止
您可能感兴趣的试卷
你可能感兴趣的试题
A.排序只针对某列变量进行
B.多重排序中排序变量的次序与排序结果无关
C.排序是对整行数据排序
D.第一个排序变量也称为主排序变量
E.通过数据排序能快捷地发现数据中的异常值
A. 通用文件,可以被通用软件如写字板等打开
B. 有结构的数据文件
C. 只能在SPSS中才能打开
D. 数据文件的扩展名是.sav
A.窗口主菜单
B.工具栏
C.数据编辑区
D.系统状态显示区
E.结果显示区
A.数据编辑窗口
B.结果输出窗口
C.语句窗口
D.命令窗口
A.一个
B.二个
C.三个
D.四个
A.Dependent Variable
B.Fixed Factor(s)
C.Random Factor(s)
D.Covariate(s)
A.Contrasts
B.Post Hoc
C.Options
D.Paste
A.Contrasts
B.Post Hoc
C.Options
D.Paste
A.Contrasts
B.Post Hoc
C.Options
D.Paste
A.观测变量
B.控制变量
C.观测变量的水平
D.控制变量的水平
最新试题
以2000年a0为最初水平,2016年an为最末水平,计算钢产量的年平均发展速度时,须开()
A cumulative frequency polygon is also called ().
如果居民按报告期价格购买商品需多支出40万元,报告期商品销售额为200万元,则价格指数为()
One advantage of a stem and leaf plot over a frequency distribution is that ().
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 cumulative frequency of the third class?()
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 ().
Which of the following is not the goal of descriptive statistics?()
Descriptive statistics deals with methods of()
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). The average number of absences per employee, calculated from the personnel data of all employees, is a ().
对某班级学生的生活状况进行统计调查,下列标志中属于不变标志的是()