A.取值都在0與1之間
B.均值為0
C.均值為1
D.標準差為1
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A.2%
B.0.5%
C.5%
D.4.8%
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
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)
最新試題
以2000年a0為最初水平,2016年an為最末水平,計算鋼產(chǎn)量的年平均發(fā)展速度時,須開()
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
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 cumulative frequency of the third class?()
某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組,請指出哪項是正確的()
If the individual class frequency is divided by the total frequency, the result is the ().
A summary measure that is computed from a sample to describe a characteristic of the population is called()
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?
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
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()