Therefore, there are 1976 of the 4040 numbers after 2020. Also, there are 2064 numbers that are under and equal to 2020. Since 442 is equal to 1936, it, with the other squares, will shift our median's placement up 44. We can find that the median of the whole set is 2020.5, and ...
A. the highest value B. the lowest value C. 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...
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。
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 不是中间的数;D 选项 40 是最大值。
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 ...
What is the median of this set of numbers? {2,3,4,4,4,5,6,6,11,14,29} A. 4 B. 5 C. 6 D. 8 如何将EXCEL生成题库手机刷题 如何制作自己的在线小题库 > 手机使用 分享 反馈 收藏 举报 参考答案: B 复制 纠错 举一反三 在完善中国特色社会主义法治体系方面,二十届三中全会强调...
What is the median of the scores 34, 23, 78, 12, 56, 43, 28, 9, 24 and 87?A.26B.28C.3
Median plays an important role in the world of statistics. By definition, it is a value which divides an array into two equal parts. In this problem you are to determine the current median of some long integers. Suppose, we have five numbers {1,3,6,2,7}. In this case, 3 is the ...
20. The median of the list n,n+3,n+4,n+5,n+6,n+8,n+10,n+12,n+15 is 10.What is the mean?Answer: 相关知识点: 试题来源: 解析 20.【答案】11。【解析】有9个数,中间数是第5个数n+6,因此n+6=10,n=10-6,则n+3=10-3,n+4=10-2n+5=10-1n+8=10+2,n+10=...
The ages of a group of people are 25, 30, 35, 40, 45. What is the median age? A. 30 B. 35 C. 40 D. 45 相关知识点: 试题来源: 解析 B。本题考查中位数的计算。将数据从小到大排列为 25, 30, 35, 40, 45,中间的数是 35,所以中位数是 35。