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
您可能感興趣的試卷
你可能感興趣的試題
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
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？（）
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（）
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？
變量數(shù)列中，各組頻率之和應（）
對某班級學生的生活狀況進行統(tǒng)計調(diào)查，下列標志中屬于不變標志的是（）
常用的長期趨勢測定的方法有哪些？各有什么特點？
品合格率指標是（）
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). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a （）.
One rule that must always be followed in constructing frequency distributions is that （）.
某班的學習按考試成績分為60分以下，60-70，70-80，80-90，90-100，這種分組（）