Under which condition that the coefficient of variation is useful to determine the relative degree of variability of different data sets? The data sets have different: A Means, but not different units of measurement. B Units of measurement, but not different means. C Means or different units of measurement. 查看解析 上一题 下一题 正确答案C 您的答案B本题平均正确率：42% Chebyshev’s inequality, CV&sharpe ratio难度：一般 推荐：      答案解析 The coefficient of variation is a relative measure of risk (dispersion) and is useful for both data sets that have different means and for data sets that do not have the same unit of measurement. 请问：如果说 剔除了 单位，那么 长度和温度可以进行比较吗？我的意思是一个是衡量长度的变异系数 一个是衡量温度的变异系数，这两种东西可以进行比较？

老师，请问为什么需求函数P=93-1.5Q不能用来和平均总成本、边际成本函数建立相等关系？ 求出来的Q=8，为什么不是代入P=93-1.5Q来求出价格？

为什么下载资料中是公开警告，这题是私下呢？

为什么说有效前沿曲线和CAL相交的点只是risky asset呢？

how the fixed-coupon payment comes to 6.75 in the answer?

C为什么不对呢

0.1836怎么算的

forward premium或discount导致的货币贬值或升值是对于base currency来说的吗

货币政策发挥作用的假设是货币的中性in the long run, 由此假设也可以说成：货币不是中性的in the short time, 请问这两个假设怎么可以等价呢？ 另外，货币不是中性的in the short time, 怎么理解？就是说增加货币供应量在短期内不会影响到价格？

可否简单解释一下 股权收益是高峰？