您可能感興趣的試卷
你可能感興趣的試題
A.第一類(lèi)錯(cuò)誤被稱(chēng)為棄真錯(cuò)誤
B.第一類(lèi)錯(cuò)誤被稱(chēng)為納偽錯(cuò)誤
C.第二類(lèi)錯(cuò)誤被稱(chēng)為納偽錯(cuò)誤
D.第二類(lèi)錯(cuò)誤是原假設(shè)不正確,但卻被接受的錯(cuò)誤
E.第一類(lèi)錯(cuò)誤是原假設(shè)正確,但卻被拒絕的錯(cuò)誤
A.完備性原則
B.同質(zhì)性原則
C.整齊可比性原則
D.互斥性原則
E.均衡分散性原則
A.模型設(shè)定誤差
B.對(duì)y的觀測(cè)誤差
C.對(duì)β0的估計(jì)錯(cuò)誤
D.對(duì)β1的估計(jì)錯(cuò)誤
E.各種細(xì)小的偶然誤差
最新試題
One rule that must always be followed in constructing frequency distributions is that ().
如果居民按報(bào)告期價(jià)格購(gòu)買(mǎi)商品需多支出40萬(wàn)元,報(bào)告期商品銷(xiāo)售額為200萬(wàn)元,則價(jià)格指數(shù)為()
The number of class intervals in a frequency distribution is usually between ().
Which of the following is not the goal of descriptive statistics?()
If the individual class frequency is divided by the total frequency, the result is the ().
某班的學(xué)習(xí)按考試成績(jī)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(shí),須開(kāi)()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
一個(gè)地區(qū)一定時(shí)期的商品零售額屬于()
One advantage of a stem and leaf plot over a frequency distribution is that ().