A.完備性原則
B.同質(zhì)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(shè)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(jīng)濟增長率
B.名義經(jīng)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
Which of the following statements is not true?()
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?()
要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()
某班的學(xué)習(xí)按考試成績分為60分以下,60-70,70-80,80-90,90-100,這種分組()
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 ().
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?
時間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
品合格率指標(biāo)是()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
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?