A.分类变量
B.分组变量
C.汇总变量
D.目标变量
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A.Transform－Compute
B.Transform－Count
C.Transform－Recode
D.Data－Aggregate
A.Transform－Compute
B.Data－Compute
C.Edit－Compute
D.Data－Transpose
A.[Data]－[Go to case]
B.[Edit ]－[Go to case]
C.[Data]－[ Sort Cases ]
D.[Edit ]－[Sort Cases ]
A.Insert Cases
B.Insert Variable
C.Merge Files
D.Aggregate
A.[Data]－[Go to case]
B.[Edit ]－[Go to case]
C.[Data]－[ Find ]
D.[Edit ]－[ Find
A.定类型变量
B.定序型变量
C.定距型变量
A.标准数值型
B.用户自定义型
C.字符型
D.日期型
A.变量名
B.对齐方式
C.字体大小
D.缺失值
A.明确分析目标
B.建立数据文件
C.加工整理数据
D.数据分析
A.数据编辑窗口
B.结果输出窗口
C.语句窗口
D.命令窗口
最新试题
Descriptive statistics deals with methods of（）
A cumulative frequency polygon is also called （）.
最能反映离散程度的指标是（）
对某班级学生的生活状况进行统计调查，下列标志中属于不变标志的是（）
Claudia Taylor, Director of Global Industrial Sales in Melbourne, is concerned by a deteriorating sales trend. Specifically, the number of customers is stable at 1500 but they are purchasing less each year. She orders her staff to search for causes of the downward trend by selecting a focus group of 40 industrial customers. For this study, the set of 40 industrial customers is a （）.
If data are grouped into intervals and the number of items in each group is listed, this could be called a （）
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 （）.
一个地区一定时期的商品零售额属于（）
Which of the following statements is not true？（）
以2000年a0为最初水平，2016年an为最末水平，计算钢产量的年平均发展速度时，须开（）