A. the spread of the data around the mean B. the total number of data points C. the highest value in the data set D. the lowest value in the data set 相关知识点: 试题来源: 解析 A。“standard deviation”是标准差的意思,衡量数据围绕均值的分散程度。B 选项是数据点的总数;C 选项是数据...
Standard deviation tells you if the estimate is accurate C. Standard deviation tells you how unsure the estimate is D. Standard deviation tells you if the E. stimate includes a pad 相关知识点: 试题来源: 解析 C 标准差和风险有何关系? A. 没有关系 B. 标准差告诉你估算是否准确 C. 标准差...
What Does Standard Deviation Mean? Contents[show] What is the definition of standard deviation?Standard Deviation is a statistical tool that is used widely by statisticians, economists, financial investors, mathematicians, and government officials. It allows these experts to see how variable a collectio...
The standard deviation of a data set is a measurement of how close, in aggregate, its values are to the mean. The baseline from which this distance is measured is the mean of the data set. In short, a lower standard deviation means that the elements of the set are clustered more closel...
The data is widely spread out from the mean C. The data has a small range D. The data has a high median 相关知识点: 试题来源: 解析 B。如果一组数据的标准差很大,说明数据离均值比较分散。A 选项是数据紧密围绕均值;C 选项是数据极差小;D 选项是数据中位数高。反馈 收藏 ...
If a data set has a large range but a small standard deviation, what can be concluded? A. The data is highly variable. B. The data is evenly distributed. C. The data has outliers. D. The data is relatively consistent E. xcept F. or a few extreme values. ...
A higher Standard Deviation indicates greater risks. This helps investors to make informed choices about diversification. b) Stock Price Volatility: Traders and Analysts assess the stock volatility prices using Standard Deviation. It helps in predicting market movements and making decisions related to ...
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 选项,不是随机分布。反馈 收藏 ...
It is important to note that standard deviation can only show thedispersionof annual returns for a mutual fund, which does not necessarily imply future consistency with this measurement. Economic factors such as interest rate changes can always affect the performance of a mutual fund. ...
What Does Standard Deviation Mean? Standard deviation measures how data is dispersed relative to its mean and is calculated as the square root of its variance. The further the data points are, the higher the deviation. Closer data points mean a lower deviation. In finance, standard deviation c...