A.[Data]－[Go to case]
B.[Edit ]－[Go to case]
C.[Data]－[ Sort Cases ]
D.[Edit ]－[Sort Cases ]
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A.Insert Cases
B.Insert Variable
C.Merge Files
D.Aggregate
A.[Data]－[Go to case]
B.[Edit ]－[Go to case]
C.[Data]－[ Find ]
D.[Edit ]－[ Find
A.定類型變量
B.定序型變量
C.定距型變量
A.標(biāo)準(zhǔn)數(shù)值型
B.用戶自定義型
C.字符型
D.日期型
A.變量名
B.對(duì)齊方式
C.字體大小
D.缺失值
最新試題
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 （）.
在組距數(shù)列中，下限就是（）
常用的長(zhǎng)期趨勢(shì)測(cè)定的方法有哪些？各有什么特點(diǎn)？
要了解某地區(qū)全部大學(xué)生的就業(yè)情況，那么（）
對(duì)全國(guó)各鐵路交通樞紐的貨運(yùn)量、貨物種類等進(jìn)行調(diào)查，以了解全國(guó)鐵路貨運(yùn)概況。這種調(diào)查屬于（）
A cumulative frequency polygon is also 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 approximate range of the number of phone calls arriving each hour？（）
One rule that must always be followed in constructing frequency distributions is that （）.
If the individual class frequency is divided by the total frequency, the result is the （）.
某廠某年職工勞動(dòng)生產(chǎn)率為20000元，是歷史最高水平的1.2倍。這里的1.2倍是（）