A.反映集中趨勢的描述統(tǒng)計(jì)量
B.反映總規(guī)?？偹降拿枋鼋y(tǒng)計(jì)量
C.反映離散程度的描述統(tǒng)計(jì)量
D.反映分布形態(tài)的描述統(tǒng)計(jì)量
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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(duì)數(shù)據(jù)按拆分變量進(jìn)行排序
C.數(shù)據(jù)拆分的本質(zhì)是將一個(gè)數(shù)據(jù)文件分成了若干個(gè)獨(dú)立的數(shù)據(jù)文件
D.數(shù)據(jù)拆分對(duì)后面的分析一直起作用，直到取消拆分為止
A.排序只針對(duì)某列變量進(jìn)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(duì)整行數(shù)據(jù)排序
D.第一個(gè)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(kuò)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
最新試題
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 （）.
A cumulative frequency distribution would provide（）.
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
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？（）
如果居民按報(bào)告期價(jià)格購買商品需多支出40萬元，報(bào)告期商品銷售額為200萬元，則價(jià)格指數(shù)為（）
Which of the following is not the goal of descriptive statistics?（）
某企業(yè)的生產(chǎn)計(jì)劃完成百分比采用如下分組，請(qǐng)指出哪項(xiàng)是正確的（）
對(duì)某班級(jí)學(xué)生的生活狀況進(jìn)行統(tǒng)計(jì)調(diào)查，下列標(biāo)志中屬于不變標(biāo)志的是（）
If the individual class frequency is divided by the total frequency, the result is the （）.
時(shí)間序列構(gòu)成因素有哪些？分解的基本原理和思路是什么？