A.比例相對指標
B.結(jié)構(gòu)相對指標
C.比較相對指標
D.強度相對指標
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你可能感興趣的試題
A.比例相對數(shù)
B.計劃完成相對數(shù)
C.強度相對數(shù)
D.動態(tài)相對數(shù)
最新試題
如果居民按報告期價格購買商品需多支出40萬元，報告期商品銷售額為200萬元，則價格指數(shù)為（）
某班的學(xué)習按考試成績分為60分以下，60-70，70-80，80-90，90-100，這種分組（）
一個地區(qū)一定時期的商品零售額屬于（）
Descriptive statistics deals with methods of（）
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？
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 （）.
A cumulative frequency polygon is also called （）.
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 （）.
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）