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A.第一類錯(cuò)誤被稱為棄真錯(cuò)誤
B.第一類錯(cuò)誤被稱為納偽錯(cuò)誤
C.第二類錯(cuò)誤被稱為納偽錯(cuò)誤
D.第二類錯(cuò)誤是原假設(shè)不正確，但卻被接受的錯(cuò)誤
E.第一類錯(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
最新試題
The number of class intervals in a frequency distribution is usually between （）.
常用的長期趨勢測定的方法有哪些？各有什么特點(diǎn)？
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). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a （）.
如果居民按報(bào)告期價(jià)格購買商品需多支出40萬元，報(bào)告期商品銷售額為200萬元，則價(jià)格指數(shù)為（）
Descriptive statistics deals with methods of（）
在組距數(shù)列中，下限就是（）
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 （）.
什么是季節(jié)變動？研究它的意義何在？如何測定季節(jié)變動？
一個(gè)地區(qū)一定時(shí)期的商品零售額屬于（）
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（）