A.中位數(shù)檢驗
B.曼-惠特尼U檢驗
C.K-S檢驗
D.Kruskal-Wallis檢驗
E.Jonckheere-Terpstra檢驗
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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檢驗是對樣本來自的總體的均值檢驗
B.單樣本t檢驗中要求數(shù)據(jù)只包含一個個案
C.單樣本t檢驗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檢驗中原假設(shè)是總體均值與檢驗值存在顯著差異
E.單樣本t檢驗可以對總體比例進行檢驗
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最新試題
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 approximate range of the number of phone calls arriving each hour?()
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
A cumulative frequency distribution would provide().
某企業(yè)2018年技術(shù)工占50%,2019年新招收了一批學徒工,使學徒工的比重增加了10%。假定全廠各級工資水平均無變化,則2019年職工總平均工資將()
時間序列構(gòu)成因素有哪些?分解的基本原理和思路是什么?