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...
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 collection of data is. Furthermore, SD is calculated as the square root of the variance of the da...
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...
Standard deviation is a statistical measure indicating variation in a set of values, used to assess risk, variability, and consistency in data analysis.
What is the standard deviation of a portfolio if you invest 30% in stock one (standard deviation of 4.6%) and 70% in stock two (standard deviation of 7.8%) if the correlation coefficient for the two stocks is 0.45?A. 0.38%.B. 6.20%.C. 6.83%. 正确答案:B 分享到: 答案解析: The ...
结果一 题目 What is the difference between variance and standard deviation? 大神们用英语回答下吧 答案 方差和标准偏差的区别是什么 相关推荐 1 What is the difference between variance and standard deviation? 大神们用英语回答下吧 反馈 收藏
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%. 正确答案:C 分享到: 答案解析: Standard deviation = [∑i (xi − X)2 / (n − 1)]1/2 = √(744.10 / 9) = √(82.68) ...
What is the standard deviation of the quiz scores? Binomial Probability Distribution: The binomial probability distribution is a discrete probability distribution that is applicable to calculate the probability for the required successful trials. The assumption for the binomial probability distribution is ...
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