A.總指數(shù)大于所有的個體指數(shù)
B.總指數(shù)小于所有的個體指數(shù)
C.總指數(shù)介于個體指數(shù)的最大值與最小值之間
D.上述三種情況都可能發(fā)生
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A.基期價格
B.現(xiàn)期價格
C.基期銷售量
D.現(xiàn)期銷售量
A.產(chǎn)量
B.價格
C.產(chǎn)值
D.綜合指數(shù)變形權(quán)數(shù)
A.物量類指數(shù)
B.物價類指數(shù)
C.價值類指數(shù)
D.總量類指數(shù)
A.期望損失最小
B.最大損失最小
C.最大收益最大
D.最小損失最小
A.重復(fù)性決策
B.一次性決策
C.確定性決策
D.非概率型決策
最新試題
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 （）.
變量數(shù)列中，各組頻率之和應(yīng)（）
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（）
One advantage of a stem and leaf plot over a frequency distribution is that （）.
Which of the following is not the goal of descriptive statistics?（）
One rule that must always be followed in constructing frequency distributions is that （）.
Descriptive statistics deals with methods of（）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
對全國各鐵路交通樞紐的貨運量、貨物種類等進行調(diào)查，以了解全國鐵路貨運概況。這種調(diào)查屬于（）
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 approximate range of the number of phone calls arriving each hour？（）