A.发病率
B.性别
C.年龄段
D.居住地区
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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
A.Median
B.Skewness
C.Kurtosis
D.Std. Deviation
A.Mean
B.Range
C.Median
D.Sum
A.显示频数分布表
B.选择绘制统计图形
C.调整频数分布表中数据的输出顺序
D.选择统计图形的格式
A.柱形图
B.饼图
C.直方图
D.折线图
A.定类型
B.定序型
C.定距型
D.定比变量
A.分类变量
B.分组变量
C.汇总变量
D.目标变量
最新试题
A summary measure that is computed from a sample to describe a characteristic of the population is called（）
A politician who is running for the office of premier in a state with 3 million registered voters commissions a survey. In the survey, 53.6% of the 5000 registered voters interviewed say they plan to vote for him. The population of interest is the（）
Which of the following statements is not true？（）
某企业2018年技术工占50%，2019年新招收了一批学徒工，使学徒工的比重增加了10%。假定全厂各级工资水平均无变化，则2019年职工总平均工资将（）
某企业的生产计划完成百分比采用如下分组，请指出哪项是正确的（）
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 approximate range of the number of phone calls arriving each hour？（）
Which of the following is not the goal of descriptive statistics?（）
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 （）.
A cumulative frequency distribution would provide（）.
什么是季节变动？研究它的意义何在？如何测定季节变动？