A.9組
B.10組
C.11組
D.12組
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A.演繹推理
B.完全歸納推理
C.不完全歸納推理
D.非邏輯推理
A.總體大小
B.個體多少
C.理論范圍
D.具體范圍
A.概念
B.數(shù)值
C.概念和數(shù)值
D.數(shù)值尺度
A.單值
B.等距分組
C.異距分組
D.復(fù)合分組
A.各個個體的名稱與指標(biāo)數(shù)值
B.各組變量值與次數(shù)
C.各組變量值與其方差
D.各組均值與方差
最新試題
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
在組距數(shù)列中,下限就是()
某廠某年職工勞動生產(chǎn)率為20000元,是歷史最高水平的1.2倍。這里的1.2倍是()
The number of class intervals in a frequency distribution is usually between ().
Descriptive statistics deals with methods of()
Which of the following is not the goal of descriptive statistics?()
某企業(yè)2018年技術(shù)工占50%,2019年新招收了一批學(xué)徒工,使學(xué)徒工的比重增加了10%。假定全廠各級工資水平均無變化,則2019年職工總平均工資將()
A summary measure that is computed from a sample to describe a characteristic of the population is called()
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()
If the individual class frequency is divided by the total frequency, the result is the ().