A.同度量作用
B.權(quán)數(shù)作用
C.平衡作用
D.基準(zhǔn)作用
E.比較作用
您可能感興趣的試卷
你可能感興趣的試題
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)
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
最新試題
對(duì)某班級(jí)學(xué)生的生活狀況進(jìn)行統(tǒng)計(jì)調(diào)查，下列標(biāo)志中屬于不變標(biāo)志的是（）
If the individual class frequency is divided by the total frequency, the result is the （）.
變量數(shù)列中，各組頻率之和應(yīng)（）
什么是季節(jié)變動(dòng)？研究它的意義何在？如何測(cè)定季節(jié)變動(dòng)？
The number of class intervals in a frequency distribution is usually between （）.
One advantage of a stem and leaf plot over a frequency distribution is that （）.
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)？
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？（）
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？（）
A cumulative frequency distribution would provide（）.