A.推斷誤差
B.不確定性
C.邏輯錯(cuò)誤
D.不可行性
E.外延錯(cuò)誤
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A.總體指標(biāo)
B.個(gè)體指標(biāo)
C.樣本指標(biāo)
D.子總體指標(biāo)
E.類(lèi)指標(biāo)
A.存量指標(biāo)
B.流量指標(biāo)
C.水平指標(biāo)
D.實(shí)物指標(biāo)
E.價(jià)值指標(biāo)
A.總標(biāo)題
B.橫行標(biāo)題
C.縱欄標(biāo)題
D.數(shù)據(jù)資料
E.表末附注
A.同質(zhì)性
B.互斥性
C.完備性
D.分散性
E.整齊性
A.抽簽法
B.搖獎(jiǎng)法
C.配對(duì)法
D.配額法
E.隨機(jī)數(shù)表法
最新試題
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
The number of class intervals in a frequency distribution is usually between （）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
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？（）
一個(gè)地區(qū)一定時(shí)期的商品零售額屬于（）
A cumulative frequency polygon is also called （）.
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 （）.
企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過(guò)四個(gè)車(chē)間，這四個(gè)車(chē)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？
對(duì)全國(guó)各鐵路交通樞紐的貨運(yùn)量、貨物種類(lèi)等進(jìn)行調(diào)查，以了解全國(guó)鐵路貨運(yùn)概況。這種調(diào)查屬于（）
最能反映離散程度的指標(biāo)是（）