给定的数据集中有 6 个数,先从小到大排列为 1,2,2,3,3,3,中间两个数是 2 和 3,所以中位数是(2+3)÷2=2.5。本题选项设置有迷惑性,A 选项 2 是错误的,因为直接选 2 没有考虑数据个数为偶数的情况;B 选项 3 是错误的,理由同上;D 选项 4 不在数据集中,明显错误。
解析:The median is the middle value in an ordered set of values. Therefore, the first step is to put the numbers in order, as follows:3, 15, 19, 72,80,82Because the set includes an even number of values, take the average of the middle values:19 + 72 = 91 91 + 2 = 45.5 ...
the middle value when the data is arranged in ascending or descending order D. the average of the highest and lowest values 相关知识点: 试题来源: 解析 C。“median”是中位数的意思,即把数据从小到大或从大到小排列后,位于中间的那个值。A 选项是最大值;B 选项是最小值;D 选项是最高值和最...
A data set has values: 10, 20, 30, 40, 50. What is the median? A. 20 B. 30 C. 35 D. 40 相关知识点: 试题来源: 解析 B。本题考查中位数的概念。将数据从小到大排列为 10, 20, 30, 40, 50,中间的数是 30,所以中位数是 30。A 选项 20 是最小值;C 选项 35 不是中间的...
The median is one of the three primary ways to find the average of statistical data. It is harder to calculate than the mode.
题目21 point What is the median in the following list of numbers?4,5,3,7,11A BC D3568 相关知识点: 试题来源: 解析 BGiven:4.5.3.7.11 Find: median Solction:345711 so the median in the following list of numbers is 5 反馈 收藏
A. The highest value. B. The lowest value. C. The middle value when the data is arranged in order. D. The average value. 相关知识点: 试题来源: 解析 C。“median”在统计语境下指的是中位数,即把一组数据从小到大或从大到小排列后,处于中间位置的数。选项 A 是最高值;选项 B 是最...
What is the median number of employees assigned per project for the projects at Company (1) 25 percent of the projects at Company Z have 4 or more employees assigned to each project.(2) 35 percent of the projects at Company Z have 2 or fewer employees assigned to each project....
What is the difference in the median and the mode in the data set 20, 19, 22,15and20? 相关知识点: 试题来源: 解析 二0∵ocotatot⋯t⋅at⋯t⋅va⋅b⋅ta⋅tb⋅tb⋅vtd⋅td⋅td⋅td⋅td⋅t ol= pow 下 反馈 收藏 ...
A. The data is symmetric. B. The data is positively skewed. C. The data is negatively skewed. D. There is not E. nough information to determine the skew. 相关知识点: 试题来源: 解析 C。在一个数据集中,如果众数为 15,中位数为 20,说明数据是负偏态的。因为众数小于中位数,数据在较小的...