A.反映集中趨勢的描述統(tǒng)計量
B.反映總規(guī)?？偹降拿枋鼋y(tǒng)計量
C.反映離散程度的描述統(tǒng)計量
D.反映分布形態(tài)的描述統(tǒng)計量
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A.Analyze→Descriptive Statistics→Frequencies
B.Analyze→Descriptive Statistics→Descriptives
C.Analyze→Multiple Response→Frequencies
D.Analyze→Multiple Response→Define Sets
A.頻數
B.百分比
C.有效百分比
D.累計百分比
A.算術表達式
B.條件表達式
C.變量
D.函數
A.分類變量
B.分組變量
C.匯總變量
D.目標變量
A.If condition is satisfied
B.Random sample of cases－Approxomately
C.Use filter Variable
D.Random sample of cases－Exactly
最新試題
品合格率指標是（）
Which of the following statements is not true？（）
A cumulative frequency distribution would provide（）.
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？（）
The number of class intervals in a frequency distribution is usually between （）.
A cumulative frequency polygon is also called （）.
Which of the following is best to show the percentage of a total budget that is spent on each category of items？（）
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 （）.
企業(yè)生產一種產品需順次經過四個車間，這四個車間的廢品率分別為1.5%、2.0%、2.0%和1.0%。該企業(yè)生產這種產品的平均廢品率是多少？
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 （）.