A. All the data points are the same. B. The mean is zero. C. The data set is very large. D. The data set is randomly distributed. 相关知识点: 试题来源: 解析 A。解析:标准偏差为零意味着数据的离散程度为零,即所有数据点相同。B 选项,均值不一定为零;C 选项,数据量大小与此无关;D ...
In a data set, if most of the data points are close to the mean, which of the following is true? A. The variance is large. B. The variance is small. C. The median is large. D. The median is small. 相关知识点: 试题来源: 解析 B。本题考查方差的概念。大多数数据点接近均值,说明...
In a data set of test scores, the mean score is 80 and the standard deviation is 10. If a student's score is 90, the probability of getting a score higher than this is ___. A. 成平机北建争有报并记交我之成平机北建争有报并记交我之0.1587成平机北建争有报并记交我之成平机北...
结果1 题目 In a data set, the middle value when the data is arranged in ascending order is called the ___. A. median B. mode C. mean D. range 相关知识点: 试题来源: 解析 A。在一组数据中,当数据按升序排列时中间的值被称为中位数(median)。 反馈 收藏 ...
aDEXとAGIの意味が逆だと思うのは私だけ…? 关于认为DEX和AGI的意思在对面,我… ?[translate] aThe mean patent length in the data set is 9.97 years, but it has also changed over the[translate]
Here is information about a data set. There are 100 values in the set.The median is 90The mean is 95There are 100 values in the set. The median is 90 The mean is 95 I increase the highest value in the data set by 200 Now what are the median and the mean of the data set?
结果1 题目 The difference between the highest and lowest values in a data set is called the ___. A. median B. mode C. mean D. range 相关知识点: 试题来源: 解析 D。一组数据中最大值和最小值之间的差被称为极差(range)。 反馈 收藏 ...
The number that appears most frequently in a set of data is called the ___. A. mean B. median C. mode D. range 相关知识点: 试题来源: 解析 C。一组数据中出现次数最多的数叫众数,mode 是众数;mean 是平均数;median 是中位数;range 是极差。反馈 ...
The mode is the value that appears most frequently in a set of data. A. most common value B. mode C. median D. mean 相关知识点: 试题来源: 解析 B。“mode”是众数,即出现最频繁的值;“most common value”表述比较口语化;“median”是中位数;“mean”是平均数。反馈 收藏 ...
【题目】Here is information about a data set.There are 100 values in the set.The median is 90The mean is 95I increase the highest value in the data set by200Now what are the median and the mean of the data set?median =mean = ...