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
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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%
A.楊格綜合指數(shù)
B.馬埃綜合指數(shù)
C.費暄理想指數(shù)
D.平均指數(shù)
最新試題
某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組，請指出哪項是正確的（）
如果居民按報告期價格購買商品需多支出40萬元，報告期商品銷售額為200萬元，則價格指數(shù)為（）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
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). The average number of absences per employee, calculated from the personnel data of all employees, is a （）.
某廠某年職工勞動生產(chǎn)率為20000元，是歷史最高水平的1.2倍。這里的1.2倍是（）
A cumulative frequency distribution would provide（）.
If the individual class frequency is divided by the total frequency, the result is the （）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
以2000年a0為最初水平，2016年an為最末水平，計算鋼產(chǎn)量的年平均發(fā)展速度時，須開（）
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？（）