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(gè)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(gè)個(gè)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
在組距數(shù)列中，下限就是（）
常用的長(zhǎng)期趨勢(shì)測(cè)定的方法有哪些？各有什么特點(diǎn)？
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
If the individual class frequency is divided by the total frequency, the result is the （）.
A cumulative frequency distribution would provide（）.
Simon Arnett, Director of Human Resources, is exploring the causes of employee absenteeism at Buderim Bottling during the last operating year (1 January 2005 to 31 December 2005). Personnel records of 50 employees are selected for analysis. (The plant employs 250.) For this study, the average number days absent for these 50 employees is a （）.
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過(guò)四個(gè)車間，這四個(gè)車間的廢品率分別為1.5%、2.0%、2.0%和1.0%。該企業(yè)生產(chǎn)這種產(chǎn)品的平均廢品率是多少？
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(bào)告期價(jià)格購(gòu)買商品需多支出40萬(wàn)元，報(bào)告期商品銷售額為200萬(wàn)元，則價(jià)格指數(shù)為（）
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）