單項(xiàng)選擇題從0-1分布總體中進(jìn)行不放回抽樣,樣本中具有1值的個(gè)體數(shù)服從()

A.兩點(diǎn)分布
B.二項(xiàng)分布
C.超幾何分布
D.泊松分布


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2.單項(xiàng)選擇題統(tǒng)計(jì)推斷是一種()

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

3.單項(xiàng)選擇題統(tǒng)計(jì)指標(biāo)口徑是指統(tǒng)計(jì)指標(biāo)所包括的()

A.總體大小
B.個(gè)體多少
C.理論范圍
D.具體范圍

4.單項(xiàng)選擇題統(tǒng)計(jì)指標(biāo)是用來(lái)測(cè)度統(tǒng)計(jì)活動(dòng)研究對(duì)象某種特征數(shù)量的()

A.概念
B.數(shù)值
C.概念和數(shù)值
D.數(shù)值尺度

5.單項(xiàng)選擇題如果觀測(cè)變量的取值很多且數(shù)值成比例變化,則編制次數(shù)分布表時(shí)采用()

A.單值
B.等距分組
C.異距分組
D.復(fù)合分組

最新試題

A cumulative frequency distribution would provide().

題型:?jiǎn)雾?xiàng)選擇題

對(duì)某班級(jí)學(xué)生的生活狀況進(jìn)行統(tǒng)計(jì)調(diào)查,下列標(biāo)志中屬于不變標(biāo)志的是()

題型:?jiǎn)雾?xiàng)選擇題

A cumulative frequency polygon is also called ().

題型:?jiǎn)雾?xiàng)選擇題

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)?

題型:?jiǎn)柎痤}

某廠某年職工勞動(dòng)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()

題型:?jiǎn)雾?xiàng)選擇題

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()

題型:?jiǎn)雾?xiàng)選擇題

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 ().

題型:?jiǎn)雾?xiàng)選擇題

對(duì)全國(guó)各鐵路交通樞紐的貨運(yùn)量、貨物種類等進(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()

題型:?jiǎn)雾?xiàng)選擇題

在組距數(shù)列中,下限就是()

題型:?jiǎn)雾?xiàng)選擇題

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 ().

題型:?jiǎn)雾?xiàng)選擇題