A.0.5%
B.2%
C.4.8%
D.5%
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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
A.均大于0
B.均等于0
C.均小于0
D.均不為0
最新試題
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？（）
最能反映離散程度的指標(biāo)是（）
對某班級學(xué)生的生活狀況進行統(tǒng)計調(diào)查，下列標(biāo)志中屬于不變標(biāo)志的是（）
A cumulative frequency polygon is also called （）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
Which of the following statements is not true？（）
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（）
時間序列構(gòu)成因素有哪些？分解的基本原理和思路是什么？
One rule that must always be followed in constructing frequency distributions is that （）.