A.1.2
B.0.8
C.1.25
D.0.83
您可能感興趣的試卷
你可能感興趣的試題
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
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
One rule that must always be followed in constructing frequency distributions is that ().
變量數(shù)列中,各組頻率之和應(yīng)()
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過四個車間,這四個車間的廢品率分別為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?
某企業(yè)2018年技術(shù)工占50%,2019年新招收了一批學(xué)徒工,使學(xué)徒工的比重增加了10%。假定全廠各級工資水平均無變化,則2019年職工總平均工資將()
一個地區(qū)一定時期的商品零售額屬于()
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?()
在組距數(shù)列中,下限就是()
Which of the following is not the goal of descriptive statistics?()
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 ()