A.提高
B.下降
C.不變
D.條件不夠,無(wú)法判斷
您可能感興趣的試卷
你可能感興趣的試題
A.每個(gè)組的最小值
B.每個(gè)組的最大值
C.全距中的最大值
D.全距中的最小值
A.80%~89%,90%~99%,100%~109%,110%以上
B.80%以下,80.1%~90%,90.1%~100%,100.1%~110%
C.90%以下,90%~100%,100%~110%,110%以上
D.85%以下,85%~95%,95%~100%,105%~115%
A.小于1
B.等于1
C.大于1
D.不等于1
A.普查
B.抽樣調(diào)查
C.重點(diǎn)調(diào)查
D.典型調(diào)查
A.年齡
B.學(xué)習(xí)成績(jī)
C.專業(yè)
D.個(gè)人愛(ài)好
最新試題
時(shí)間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
某企業(yè)的生產(chǎn)計(jì)劃完成百分比采用如下分組,請(qǐng)指出哪項(xiàng)是正確的()
為什么在計(jì)算平均指標(biāo)的基礎(chǔ)上還有必要進(jìn)一步計(jì)算變異指標(biāo)?
If data are grouped into intervals and the number of items in each group is listed, this could be called a ()
Which of the following is not the goal of descriptive statistics?()
If the individual class frequency is divided by the total frequency, the result is the ().
在組距數(shù)列中,下限就是()
某班的學(xué)習(xí)按考試成績(jī)分為60分以下,60-70,70-80,80-90,90-100,這種分組()