單項(xiàng)選擇題下列指標(biāo)中,不屬于反映集中趨勢(shì)的指標(biāo)是()

A.Mean
B.Range
C.Median
D.Sum


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1.單項(xiàng)選擇題在頻數(shù)分析時(shí),F(xiàn)ormat按鈕的功能是()

A.顯示頻數(shù)分布表
B.選擇繪制統(tǒng)計(jì)圖形
C.調(diào)整頻數(shù)分布表中數(shù)據(jù)的輸出順序
D.選擇統(tǒng)計(jì)圖形的格式

3.單項(xiàng)選擇題數(shù)據(jù)分組一般是針對(duì)哪種類型的數(shù)據(jù)()

A.定類型
B.定序型
C.定距型
D.定比變量

4.單項(xiàng)選擇題在分類匯總中,在Aggregate  Variable框中,應(yīng)當(dāng)選擇的是() 

A.分類變量
B.分組變量
C.匯總變量
D.目標(biāo)變量

5.單項(xiàng)選擇題如果希望統(tǒng)計(jì)全班同學(xué)中,每個(gè)人得優(yōu)的門數(shù)多少,應(yīng)當(dāng)選用的菜單是()

A.Transform-Compute
B.Transform-Count
C.Transform-Recode
D.Data-Aggregate

最新試題

品合格率指標(biāo)是()

題型:單項(xiàng)選擇題

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()

題型:多項(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:單項(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:單項(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()

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一個(gè)地區(qū)一定時(shí)期的商品零售額屬于()

題型:多項(xiàng)選擇題

Which of the following is not the goal of descriptive statistics?()

題型:單項(xiàng)選擇題

企業(yè)生產(chǎn)一種產(chǎn)品需順次經(jīng)過四個(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?

題型:問答題

Which of the following statements is not true?()

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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()

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