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Michael2023-04-09 22:41:04
学员你好,
Hedge Fund has been in existence for two years. Its average monthly return has been 6% with a standard deviation of 5%【选取的一个两年的样本,样本数据中的标准差是5%】. …… You are asked to test the null hypothesis that the volatility of Hedge Fund’s monthly returns is equal to 4% 【你想去假设检验的数据是总体的数据,因为只有这个数据你是不知道的,所以才会需要去假设】versus the alternative hypothesis that the volatility is not equal to 4%.……
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