A.一個
B.二個
C.三個
D.四個
您可能感興趣的試卷
你可能感興趣的試題
A.發(fā)病率
B.性別
C.年齡段
D.居住地區(qū)
A.Analyze→Compare Means→Means
B.Analyze→Compare Means→One-Samples T Test
C.Analyze→Compare Means→Independent-Samples T Test
D.Analyze→Compare Means→Paired-Samples T Test
A.Analyze→Descriptive Statistics→Frequencies
B.Analyze→Descriptive Statistics→Descriptives
C.Analyze→Descriptive Statistics→Crosstabs
D.Analyze→Descriptive Statistics→Ratio
A.Dichotomies
B.Categories
C.Counted
D.Range
A.Exact
B.Statistics
C.Cells
D.Format
最新試題
Which of the following statements is not true？（）
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 （）.
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？
要了解某地區(qū)全部大學生的就業(yè)情況，那么（）
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（）
A cumulative frequency distribution would provide（）.
常用的長期趨勢測定的方法有哪些？各有什么特點？
某企業(yè)的生產(chǎn)計劃完成百分比采用如下分組，請指出哪項是正確的（）
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？（）
某班的學習按考試成績分為60分以下，60-70，70-80，80-90，90-100，這種分組（）