將某公司的35名業(yè)務(wù)員隨機(jī)分成5組，分別選用一種培訓(xùn)方法進(jìn)行培訓(xùn)，經(jīng)過一段時(shí)間的跟蹤調(diào)查，得到了這35名業(yè)務(wù)員的銷售數(shù)據(jù)，對(duì)銷售數(shù)據(jù)進(jìn)行單因素方差分析，結(jié)果如下：
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A.中位數(shù)檢驗(yàn)
B.曼－惠特尼U檢驗(yàn)
C.K－S檢驗(yàn)
D.Kruskal-Wallis檢驗(yàn)
E.Jonckheere-Terpstra檢驗(yàn)
A.發(fā)病率
B.性別
C.年齡段
D.居住地區(qū)
E.工作環(huán)境
A.單樣本t檢驗(yàn)是對(duì)樣本來自的總體的均值檢驗(yàn)
B.單樣本t檢驗(yàn)中要求數(shù)據(jù)只包含一個(gè)個(gè)案
C.單樣本t檢驗(yàn)要求樣本來自的總體服從或近似服從正態(tài)分布
D.單樣本t檢驗(yàn)中原假設(shè)是總體均值與檢驗(yàn)值存在顯著差異
E.單樣本t檢驗(yàn)可以對(duì)總體比例進(jìn)行檢驗(yàn)
最新試題
Which of the following is not the goal of descriptive statistics?（）
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
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). The average number of absences per employee, calculated from the personnel data of all employees, is a （）.
品合格率指標(biāo)是（）
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（）
Descriptive statistics deals with methods of（）
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？（）
Which of the following statements is not true？（）
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（）
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）