A.數(shù)據(jù)拆分選擇的菜單是Data－Split File
B.數(shù)據(jù)拆分的本質(zhì)就是對數(shù)據(jù)按拆分變量進行排序
C.數(shù)據(jù)拆分的本質(zhì)是將一個數(shù)據(jù)文件分成了若干個獨立的數(shù)據(jù)文件
D.數(shù)據(jù)拆分對后面的分析一直起作用，直到取消拆分為止
您可能感興趣的試卷
你可能感興趣的試題
A.排序只針對某列變量進行
B.多重排序中排序變量的次序與排序結(jié)果無關(guān)
C.排序是對整行數(shù)據(jù)排序
D.第一個排序變量也稱為主排序變量
E.通過數(shù)據(jù)排序能快捷地發(fā)現(xiàn)數(shù)據(jù)中的異常值
A. 通用文件，可以被通用軟件如寫字板等打開
B. 有結(jié)構(gòu)的數(shù)據(jù)文件
C. 只能在SPSS中才能打開
D. 數(shù)據(jù)文件的擴展名是.sav
A.窗口主菜單
B.工具欄
C.數(shù)據(jù)編輯區(qū)
D.系統(tǒng)狀態(tài)顯示區(qū)
E.結(jié)果顯示區(qū)
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
A.一個
B.二個
C.三個
D.四個
最新試題
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？（）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
以2000年a0為最初水平，2016年an為最末水平，計算鋼產(chǎn)量的年平均發(fā)展速度時，須開（）
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
某班的學(xué)習(xí)按考試成績分為60分以下，60-70，70-80，80-90，90-100，這種分組（）
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？
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 （）.
A cumulative frequency polygon is also called （）.
Which of the following statements is not true？（）
If the individual class frequency is divided by the total frequency, the result is the （）.