A.實際經(jīng)濟增長率
B.名義經(jīng)濟增長率
C.通貨膨脹率
D.失業(yè)率
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A.0.5%
B.2%
C.4.8%
D.5%
A.楊格綜合指數(shù)
B.馬埃綜合指數(shù)
C.費暄理想指數(shù)
D.平均指數(shù)
A.方案枝
B.狀態(tài)枝
C.決策點
D.狀態(tài)點
A.大中取小原則
B.小中取大原則
C.大中取大原則
D.折中原則
A.n
B.p
C.n-p
D.n+p
最新試題
One advantage of a stem and leaf plot over a frequency distribution is that （）.
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（）
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 （）.
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
A cumulative frequency polygon is also called （）.
為什么在計算平均指標的基礎(chǔ)上還有必要進一步計算變異指標？
要了解某地區(qū)全部大學(xué)生的就業(yè)情況，那么（）
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？（）
Descriptive statistics deals with methods of（）