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你可能感興趣的試題
A.第一類錯誤被稱為棄真錯誤
B.第一類錯誤被稱為納偽錯誤
C.第二類錯誤被稱為納偽錯誤
D.第二類錯誤是原假設(shè)不正確,但卻被接受的錯誤
E.第一類錯誤是原假設(shè)正確,但卻被拒絕的錯誤
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y的觀測誤差
C.對β0的估計錯誤
D.對β1的估計錯誤
E.各種細(xì)小的偶然誤差
最新試題
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?
某廠某年職工勞動生產(chǎn)率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
變量數(shù)列中,各組頻率之和應(yīng)()
為什么在計算平均指標(biāo)的基礎(chǔ)上還有必要進一步計算變異指標(biāo)?
對某班級學(xué)生的生活狀況進行統(tǒng)計調(diào)查,下列標(biāo)志中屬于不變標(biāo)志的是()
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). The average number of absences per employee, calculated from the personnel data of all employees, is a ().
One advantage of a stem and leaf plot over a frequency distribution is that ().
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
One rule that must always be followed in constructing frequency distributions is that ().
Which of the following statements is not true?()