A.1.2
B.0.8
C.1.25
D.0.83
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A.比例相對指標(biāo)
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C.比較相對指標(biāo)
D.強度相對指標(biāo)
A.比例相對數(shù)
B.計劃完成相對數(shù)
C.強度相對數(shù)
D.動態(tài)相對數(shù)
最新試題
Which of the following statements is not true?()
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
為什么在計算平均指標(biāo)的基礎(chǔ)上還有必要進一步計算變異指標(biāo)?
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()
Descriptive statistics deals with methods of()
Which of the following is not the goal of descriptive statistics?()
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 ().
變量數(shù)列中,各組頻率之和應(yīng)()
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()