A.實際經(jīng)濟增長率
B.通貨膨脹率
C.失業(yè)率
D.痛苦指數(shù)
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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
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(quán)數(shù)
最新試題
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()
品合格率指標是()
One advantage of a stem and leaf plot over a frequency distribution is that ().
某班的學(xué)習(xí)按考試成績分為60分以下,60-70,70-80,80-90,90-100,這種分組()
Which of the following statements is not true?()
A cumulative frequency distribution would provide().
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?()
A student achieves an 82 on the first test in a statistics course. From this, she assumes that her average at the end of the semester (after other tests) will be about 82. This is an example of ().
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()
一個地區(qū)一定時期的商品零售額屬于()