A.完備性原則
B.同質性原則
C.整齊可比性原則
D.互斥性原則
E.均衡分散性原則
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A.模型設定誤差
B.對y的觀測誤差
C.對β0的估計錯誤
D.對β1的估計錯誤
E.各種細小的偶然誤差
A.環(huán)比變換
B.對數(shù)變換
C.差分變換
D.移動平均變換
E.對數(shù)差分變換
A.馬埃指數(shù)
B.楊格指數(shù)
C.拉氏指數(shù)
D.費暄指數(shù)
E.派氏指數(shù)
A.實際經濟增長率
B.名義經濟增長率
C.通貨膨脹率
D.失業(yè)率
A.0.5%
B.2%
C.4.8%
D.5%
最新試題
某廠某年職工勞動生產率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
One rule that must always be followed in constructing frequency distributions is that ().
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?()
時間序列構成因素有哪些?分解的基本原理和思路是什么?
企業(yè)生產一種產品需順次經過四個車間,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)生產這種產品的平均廢品率是多少?
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 cumulative frequency of the third class?()
品合格率指標是()
一個地區(qū)一定時期的商品零售額屬于()
對全國各鐵路交通樞紐的貨運量、貨物種類等進行調查,以了解全國鐵路貨運概況。這種調查屬于()