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Coefficient of variation= Standard deviation /
发布时间:
2024-04-24 14:24:38
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相关试题
1.
Coefficient of variation= Standard deviation / Average demand( )选项: A:对 B:错
2.
A.mean B.vanance C.percentile D.standard deviation E.coefficient of variation
3.
A.mean B.variance C.percentile D.standard deviation E.coefficient of variation
4.
Given the following information:Standard deviation = 8 Coefficient of variation = 64%The mean would then be 选项: A:12.5 B: 8 C:0.64 D:1.25
5.
__________ is the variability of return on stocks or portfolios associated with changes in return on the market as a whole. ( )选项: A:Systematic risk B:Standard deviation C:Unsystematic risk D:Coefficient of variation
6.
求偏态分布资料的正常值范围时,应计算的指标是 选项:mean|variance|percentile|standard deviation|coefficient of variation
7.
The smaller the spread of scores around the arithmetic mean,选项: A: the smaller the interquartile range.; B: the smaller the standard deviation.; C:the smaller the coefficient of variation.; D:all the alternatives are correct
8.
The mean and standard deviation of returns for Stock A is represented below.Arithmetic MeanStandard DeviationStock A 20%8% The coefficient of variation of Stock A is: 选项: A、0.40. B、3.00. C、2.50.
9.
The value of the standard deviation of all possible sample means, called the ( ). 选项: A、standard erro B、standard error of the mean C、standard error of the standard deviation D、variation
10.
求偏态分布资料的正常值范围时,应计算的指标是 选项:A、mean B、variance C、percentile D、standard deviation E、coefficient of variation
11.
The coefficient of variation is a measure of relative variation.
12.
Standard deviation is (formula).Drawback of the standard deviation is .
13.
Stock A and Stock B both have an expected return of 10 percent and a standard deviation of 25 percent. Stock A has a beta of 0.8 and Stock B has a beta of 1.2. The correlation coefficient, r, between the two stocks is 0.6. Portfolio P is a portfolio with 50 percent invested in Stock A and 50 percent invested in Stock B. Which of the following statements is most correct? ( )选项: A:Portfolio P has a coefficient of variation equal to 2.5 B:Portfolio P has more market risk than Stock A but less market risk than Stock B C:Portfolio P has a standard deviation of 25 percent and a beta of 1.0 D:All of the statements above are correct E:None of the statements above is correct
14.
Which one of the following is represented by the slope of the security market line?选项: A:reward-to-risk ratio; B:market standard deviation; C:beta coefficient; D:market risk premium
15.
For a data set, the coefficient of skewness is -2.73. We conclude that:? something is wrong because the coefficient of skewness cannot be less than -1.00.the standard deviation is a less than zero.the median is larger than the mean.the mean is larger than the median.
16.
Suppose that the distribution of a set of scores has a mean of 47 and a standard deviation of 14. If 4 is added to each score, what will be the mean and the standard deviation of the distribution of new scores? 选项: A: mean 51 Standard Deviation 14; B: mean 51 Standard Deviation 18; C: mean47 Standard Deviation 14; D: mean47 Standard Deviation16
17.
Compass error is equal to the. 选项: A、deviation minus variation B、variation plus compass course C、combined variation and deviation D、difference between true and magnetic headings
18.
root-mean-square deviation, standard deviation
19.
Standard deviation
20.
standard deviation
21.
The variance can never be 选项: A、 zero B、 larger than the standard deviation C、negative D、smaller than the standard deviation
22.
Standard deviation and beta both measure risk, but they are different in that beta measures ( ) 选项: A、both systematic and unsystematic risk. B、only systematic risk while standard deviation is a measure of total risk. C、only unsystematic risk while standard deviation is a measure of total risk. D、both systematic and unsystematic risk while standard deviation measures only systematic risk.
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