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...
Deviation is a simple concept that lays the foundation for understanding more complex statistical measures like Standard Deviation. While deviation gives an idea of the distance of each data point from the mean, it does not provide a comprehensive picture of the dataset's overall variability. Standa...
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...
Learn what the standard deviation of a stock's returns is and how to find it using the standard deviation of returns formula. Understand standard deviation risk. Related to this QuestionWhat is the relation between the variance and the standard deviation? What is the formula for standard deviatio...
Standard error vs standard deviation: When should you use them? Key takeaways and further reading Are you ready to explore the difference between standard error and standard deviation? Let’s dive in. 1. What is the difference between descriptive and inferential statistics?
2) The purpose of Standard Deviation 3) How to Calculate the Standard Deviation? 4) Use Cases of Standard Deviation 5) Strengths of Standard Deviation 6) What is the Difference Between Mean Deviation and Standard Deviation? 7) What is the Difference Between the Mean and the Standard De...
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 ...
百度试题 题目Assuming a mean of 7.2%, what is the sample standard deviation of the returns for ABC Mutual Fund for the period 1991-2000? A. 7.8%. B. 9.8%. C. 9.1%.相关知识点: 试题来源: 解析 C 略 反馈 收藏
Suppose x is a predictor variable used for predicting the explanatory or response variable. Then standard deviation of the predictor variable is...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
While standard deviation is the square root of the variance, variance is the average of the squared difference of each data point from the mean. The two concepts are useful and significant for traders, who use them to measure market volatility. Standard Deviation Standard deviation is a statis...