问题如下图：
选项：
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解释：
老师请问这题解题思路可以用median得到benchmark吗？因为H公司比benchmark低，就认为是低估
NO.PZ2018103102000139问题如下Sara junior equity researin a small securities company, is comparing a company’s value with its peer group. The company, nameHomeWithLove, operates in the reestate instry. The information about the company is shown below:The current stopriof J2018 is $35The information about earnings per share of the company is:The forwarP/E of the company’s peers:Baseon the information above, anusing the harmonic meof the peer group forwarP/E the benchmark, whiof the following is correct?A.Comparewith the benchmark, HomeWithLove is unrvalueB.Comparewith the benchmark, HomeWithLove is overvalueC.Comparewith the benchmark, HomeWithLove is fairly valueA is correct.考点考察ForwarP/E相对估值法，考察Harmonic mean的计算。解析Harmonic mean的计算公式为XH=n∑i=1n1xi=516.7+17.2+113.2+14.5+15.5≈6.51X_H=\frn{\splaystyle\sum_{i=1}^n\frac1{x_i}}=\frac5{\splaystyle\frac1{6.7}+\frac1{7.2}+\frac1{13.2}+\frac1{4.5}+\frac1{5.5}}\approx6.51XH=i=1∑nxi1n=6.71+7.21+13.21+4.51+5.515≈6.51则比较的Benchmark为6.51而当前Homewithlove的股票价格为35，其2018（E）年的EPS为7.0，所以其ForwarP/E为35/7=5.当前由于HomeWithLove的ForwarP/E小于行业的平均ForwarP/E所以公司相对被低估。不因该是p/e取倒数求和再取倒数么 不是应该是1么 为什么是n呢 谢谢
NO.PZ2018103102000139 如题
NO.PZ2018103102000139 如果这题目给了权重，这个harmonic该怎么算，请求老师举个例子，因为光有公司还是不太懂
NO.PZ2018103102000139 为什么HOmeWithLove 的EPS不用取平均值来计算，题目中只提到peer company 用forwarP/E
Comparewith the benchmark, HomeWithLove is overvalue Comparewith the benchmark, HomeWithLove is fairly value A is correct. 考点考察ForwarP/E相对估值法，考察Harmonic mean的计算。 解析 Harmonic mean的计算公式为 XH=n∑i=1n1xi=516.7+17.2+113.2+14.5+15.5≈6.51X_H=\frn{\splaystyle\sum_{i=1}^n\frac1{x_i}}=\frac5{\splaystyle\frac1{6.7}+\frac1{7.2}+\frac1{13.2}+\frac1{4.5}+\frac1{5.5}}\approx6.51XH=i=1∑nxi1n=6.71+7.21+13.21+4.51+5.515≈6.51 则比较的Benchmark为6.51 而当前Homewithlove的股票价格为35，其2018（E）年的EPS为7.0，所以其ForwarP/E为35/7=5. 当前由于HomeWithLove的ForwarP/E小于行业的平均ForwarP/E所以公司相对被低估。这个为什么和李老师讲的harmonic mean计算方法不一样，这两种方法我都知道原理，但是什么时候用权重（pe ratio倒数的权重）一样的，什么时候用权重不一样的？？？
