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(dòng)集
C.決策行動(dòng)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(shì)模型
B.修正指數(shù)曲線趨勢(shì)模型
C.邏輯曲線趨勢(shì)模型
D.龔配茨曲線趨勢(shì)模型
E.雙指數(shù)曲線趨勢(shì)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
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過四個(gè)車間,這四個(gè)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?
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?()
Descriptive statistics deals with methods of()
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 ().
常用的長(zhǎng)期趨勢(shì)測(cè)定的方法有哪些?各有什么特點(diǎn)?
一個(gè)地區(qū)一定時(shí)期的商品零售額屬于()
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(jì)算鋼產(chǎn)量的年平均發(fā)展速度時(shí),須開()
對(duì)全國(guó)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(guó)鐵路貨運(yùn)概況。這種調(diào)查屬于()
One advantage of a stem and leaf plot over a frequency distribution is that ().