A.小于1
B.等于1
C.大于1
D.不等于1
您可能感兴趣的试卷
你可能感兴趣的试题
A.普查
B.抽样调查
C.重点调查
D.典型调查
A.年龄
B.学习成绩
C.专业
D.个人爱好
A.是等距分组
B.第一组假定下限是0
C.相邻组限是重叠的
D.分组标志为连续型变量
E.某学生的成绩80分应归在70-80这一组
A.15次方
B.16次方
C.17次方
D.18次方
A.1.2
B.0.8
C.1.25
D.0.83
A.比例相对指标
B.结构相对指标
C.比较相对指标
D.强度相对指标
A.比例相对数
B.计划完成相对数
C.强度相对数
D.动态相对数
最新试题
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（）
Which of the following statements is not true？（）
Which of the following is not the goal of descriptive statistics?（）
Descriptive statistics deals with methods of（）
The number of class intervals in a frequency distribution is usually between （）.
对全国各铁路交通枢纽的货运量、货物种类等进行调查，以了解全国铁路货运概况。这种调查属于（）
常用的长期趋势测定的方法有哪些？各有什么特点？
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 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 is best to show the percentage of a total budget that is spent on each category of items？（）