A.明確分析目標(biāo)
B.建立數(shù)據(jù)文件
C.加工整理數(shù)據(jù)
D.數(shù)據(jù)分析
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A.數(shù)據(jù)編輯窗口
B.結(jié)果輸出窗口
C.語(yǔ)句窗口
D.命令窗口
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？（）
如果居民按報(bào)告期價(jià)格購(gòu)買商品需多支出40萬(wàn)元，報(bào)告期商品銷售額為200萬(wàn)元，則價(jià)格指數(shù)為（）
Descriptive statistics deals with methods of（）
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
One advantage of a stem and leaf plot over a frequency distribution is that （）.
The number of class intervals in a frequency distribution is usually between （）.
A cumulative frequency distribution would provide（）.
要了解某地區(qū)全部大學(xué)生的就業(yè)情況，那么（）
品合格率指標(biāo)是（）
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 （）.