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)誤被稱為棄真錯(cuò)誤
B.第一類(lèi)錯(cuò)誤被稱為納偽錯(cuò)誤
C.第二類(lèi)錯(cuò)誤被稱為納偽錯(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
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 ().
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過(guò)四個(gè)車(chē)間,這四個(gè)車(chē)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?
A cumulative frequency distribution would provide().
最能反映離散程度的指標(biāo)是()
某企業(yè)的生產(chǎn)計(jì)劃完成百分比采用如下分組,請(qǐng)指出哪項(xiàng)是正確的()
在組距數(shù)列中,下限就是()
某廠某年職工勞動(dòng)生產(chǎn)率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
要了解某地區(qū)全部大學(xué)生的就業(yè)情況,那么()
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?()