A.定類型變量
B.定序型變量
C.定距型變量
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A.SPSS數(shù)據(jù)文件和Excel表格是一樣的
B.數(shù)據(jù)文件中一行或一列是一個變量
C.數(shù)據(jù)文件中有變量視窗和數(shù)據(jù)視窗兩個視窗
D.SPSS數(shù)據(jù)文件可以用Excel打開
A.原始數(shù)據(jù)的組織方式
B.計(jì)數(shù)數(shù)據(jù)的組織形式
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(biāo)
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
If the individual class frequency is divided by the total frequency, the result is the （）.
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過四個車間，這四個車間的廢品率分別為1.5%、2.0%、2.0%和1.0%。該企業(yè)生產(chǎn)這種產(chǎn)品的平均廢品率是多少？
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？（）
Descriptive statistics deals with methods of（）
A cumulative frequency polygon is also called （）.
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
Which of the following is not the goal of descriptive statistics?（）
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 （）.
某企業(yè)2018年技術(shù)工占50%，2019年新招收了一批學(xué)徒工，使學(xué)徒工的比重增加了10%。假定全廠各級工資水平均無變化，則2019年職工總平均工資將（）
最能反映離散程度的指標(biāo)是（）