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
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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
為什么在計算平均指標的基礎(chǔ)上還有必要進一步計算變異指標?
Which of the following is not the goal of descriptive statistics?()
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 ().
One advantage of a stem and leaf plot over a frequency distribution is that ().
A student achieves an 82 on the first test in a statistics course. From this, she assumes that her average at the end of the semester (after other tests) will be about 82. This is an example of ().
Descriptive statistics deals with methods of()
在組距數(shù)列中,下限就是()
常用的長期趨勢測定的方法有哪些?各有什么特點?
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?()
要了解某地區(qū)全部大學生的就業(yè)情況,那么()