某鞋厂为了制定生产计划,调查了100 个成年女性穿鞋的尺寸,数据如下:
尺码数据可看成顺序数据,试求其中位数, 众数、异众比。您可能感兴趣的试卷
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A.变窄
B.变宽
C.不变
D.不能确定
A.要宽
B.要窄
C.相同
D.可能宽也可能窄
A.正态分布
B.只有当n<30时,为正态分布
C.只有当n≥30时,为正态分布
D.非正态分布
A.足够大时
B.足够小时
C.无论大与小
D.无法判断
最新试题
如果居民按报告期价格购买商品需多支出40万元,报告期商品销售额为200万元,则价格指数为()
在组距数列中,下限就是()
Which of the following is best to show the percentage of a total budget that is spent on each category of items?()
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()
Descriptive statistics deals with methods of()
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). The average number of absences per employee, calculated from the personnel data of all employees, is a ().
A cumulative frequency distribution would provide().
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()
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()
Which of the following is not the goal of descriptive statistics?()