问题如下图:
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选项:
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B. 
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C. 
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解释:
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Portfolio Q is 4.0%. Portfolio R is higher thits arithmetic meannureturn. C is correct. The meof Portfolio R is higher ththe mefor Portfolio R麻烦可以一下这道题吗 不明白题目在干嘛
老师,请问the meannureturn portfolio creation to2013这句话是,个啥意思啊,为啥求2013年的,要把之前的数都排列一遍
这道题和原版书后题目有点不太一样啊Portfolio P in 2012 (3%) anQ in 2012 (4%),但是结果是一样的,只是在计算前两个的中位数是开始一直没看到老师的解答。
meannureturn的计算公式是怎么?第三个具体怎么算出来的
老师你好,这道题目再确认下A和B的答案,A为百分之5?B为百分之7?谢谢