问题如下图：
选项：
A. 
B. 
C. 
解释：
这道题没有看懂，并且没有解题思路，能否给与详细讲解，并且其他同学的提问提到了计算器的使用，能否告诉怎么算这道题，谢谢
李宗_品职助教 · 2018年02月24日
你好童鞋，题目要求从123三个资产中选择资产构建投资组合，并且要求该投资组合的风险最低，因此我们应该选择两个资产的相关性最低的组合在一起。
计算方法：7功能键输入两个数列，8功能键找到r，即相关性系数
计算相关性的方法在计算机使用的视频中有说明（真的就几分钟，看了不吃亏，看了不后悔，不要说又让我看视频。。。）。
ciaoyy · 2018年04月10日
具体是哪一个视频呀？
李宗_品职助教 · 2018年04月10日
在课程页 - 早读班 - 知新 里 http://class.pzacademy.com/#/course/31364/book/31371
NO.PZ2015121801000067问题如下analyst hma the following return projections for eaof three possible outcomes with equlikelihooof occurrence:If the analyst constructs two-asset portfolios thare equally-weighte whipair of assets hthe lowest expectestanrviation?A.Asset 1 anAsset 2.B.Asset 1 anAsset 3.C.Asset 2 anAsset 3.is correct.equally weighteportfolio of Asset 2 anAsset 3 will have the lowest portfolio stanrviation, because for eaoutcome, the portfolio hthe same expectereturn (they are perfectly negatively correlate.这里的outcome所指是各资产每次取样各自的标准差么？
NO.PZ2015121801000067 问题如下 analyst hma the following return projections for eaof three possible outcomes with equlikelihooof occurrence:If the analyst constructs two-asset portfolios thare equally-weighte whipair of assets hthe lowest expectestanrviation? A.Asset 1 anAsset 2. B.Asset 1 anAsset 3. C.Asset 2 anAsset 3. is correct.equally weighteportfolio of Asset 2 anAsset 3 will have the lowest portfolio stanrviation, because for eaoutcome, the portfolio hthe same expectereturn (they are perfectly negatively correlate. 是不是离0越远，说明两组资产的差异越大？
NO.PZ2015121801000067问题如下analyst hma the following return projections for eaof three possible outcomes with equlikelihooof occurrence:If the analyst constructs two-asset portfolios thare equally-weighte whipair of assets hthe lowest expectestanrviation?A.Asset 1 anAsset 2.B.Asset 1 anAsset 3.C.Asset 2 anAsset 3.is correct.equally weighteportfolio of Asset 2 anAsset 3 will have the lowest portfolio stanrviation, because for eaoutcome, the portfolio hthe same expectereturn (they are perfectly negatively correlate.x1 y1 x2 y2 x3y3
NO.PZ2015121801000067 问题如下 analyst hma the following return projections for eaof three possible outcomes with equlikelihooof occurrence:If the analyst constructs two-asset portfolios thare equally-weighte whipair of assets hthe lowest expectestanrviation? A.Asset 1 anAsset 2. B.Asset 1 anAsset 3. C.Asset 2 anAsset 3. is correct.equally weighteportfolio of Asset 2 anAsset 3 will have the lowest portfolio stanrviation, because for eaoutcome, the portfolio hthe same expectereturn (they are perfectly negatively correlate. 请问老师这是在考察哪个知识点呀？能系统解答一下吗？
NO.PZ2015121801000067 问题如下 analyst hma the following return projections for eaof three possible outcomes with equlikelihooof occurrence:If the analyst constructs two-asset portfolios thare equally-weighte whipair of assets hthe lowest expectestanrviation? A.Asset 1 anAsset 2. B.Asset 1 anAsset 3. C.Asset 2 anAsset 3. is correct.equally weighteportfolio of Asset 2 anAsset 3 will have the lowest portfolio stanrviation, because for eaoutcome, the portfolio hthe same expectereturn (they are perfectly negatively correlate. 计算器怎么按？ 按哪几个数据？