A.拉氏指數(shù)
B.派氏指數(shù)
C.楊格指數(shù)
D.馬埃指數(shù)
E.費(fèi)暄指數(shù)
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A.大中取大準(zhǔn)則
B.小中取大準(zhǔn)則
C.渴望水平準(zhǔn)則
D.期望損益準(zhǔn)則
E.最大可能準(zhǔn)則
A.客觀環(huán)境的可能狀態(tài)集
B.決策者的可行行動集
C.決策行動的收益函數(shù)
D.決策樹
E.決策者
A.環(huán)比法
B.定基法
C.方程法
D.算術(shù)平均法
E.幾何平均法
A.指數(shù)曲線趨勢模型
B.修正指數(shù)曲線趨勢模型
C.邏輯曲線趨勢模型
D.龔配茨曲線趨勢模型
E.雙指數(shù)曲線趨勢模型
A.R2=SSR/SST
B.R2=SSE/SST
C.R2=1-SSR/SST
D.R2=1-SSE/SST
E.R2=1-SSR/(SSR+SSE)
最新試題
A cumulative frequency distribution would provide().
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
如果居民按報(bào)告期價(jià)格購買商品需多支出40萬元,報(bào)告期商品銷售額為200萬元,則價(jià)格指數(shù)為()
為什么在計(jì)算平均指標(biāo)的基礎(chǔ)上還有必要進(jìn)一步計(jì)算變異指標(biāo)?
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?
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 ().
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?()
對全國各鐵路交通樞紐的貨運(yùn)量、貨物種類等進(jìn)行調(diào)查,以了解全國鐵路貨運(yùn)概況。這種調(diào)查屬于()
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()
以2000年a0為最初水平,2016年an為最末水平,計(jì)算鋼產(chǎn)量的年平均發(fā)展速度時,須開()