NO.PZ2021061603000020
问题如下:
The annual returns for three portfolios are shown in the following exhibit.
Portfolios P and R were created in Year 1, Portfolio Q in Year 2.
The median annual return from portfolio creation to Year 5 for:
选项:
A.Portfolio P is 4.5%
B.Portfolio Q is 4.0
C.Portfolio R is higher than its arithmetic mean annual return
解释:
C is correct. The median of Portfolio R is 3% higher than the mean for portfolio R(2.2%).
看了其他同学的问题解答 还是不理解 问题本身问的不是3个portfolio里第5年的中位数吗?以及具体怎么解题呢