A.正確收集數(shù)據(jù)
B.加工整理數(shù)據(jù)
C.分析數(shù)據(jù)
D.明確分析目標
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A.sps
B.spo
C.sav
D.rtf
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
什么是季節(jié)變動？研究它的意義何在？如何測定季節(jié)變動？
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 cumulative frequency distribution would provide（）.
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 （）.
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？（）
一個地區(qū)一定時期的商品零售額屬于（）
某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組，請指出哪項是正確的（）
如果居民按報告期價格購買商品需多支出40萬元，報告期商品銷售額為200萬元，則價格指數(shù)為（）
The number of class intervals in a frequency distribution is usually between （）.
要了解某地區(qū)全部大學生的就業(yè)情況，那么（）