Question: Q. calculate the sample means and standard deviations, as well as the correlation between the two sets of returns. calculate the covariance matrix for the

Q. calculate the sample means and standard deviations, as well as the correlation between the two sets of returns. calculate the covariance matrix for the two returns. Finally, suppose that these returns follow a bivariate normal distribution, and that I have a portfolio consisting of 60% in BHP shares and 40% RIO shares. Calculate the expected value, variance, and standard deviation of the return for my portfolio.

Date BHP Close RIO Close BHP Return RIO Return
2015-01-01 27.603399 58.330002
2015-01-04 27.5473 58.48 -0.00203232 0.002571541
2015-01-05 26.2672 57.59 -0.04646916 -0.01521888
2015-01-06 26.2672 57.290001 0 -0.00520922
2015-01-07 26.5194 58.650002 0.009601328 0.023738889
2015-01-08 27.248301 59.400002 0.027485577 0.012787723
2015-01-11 26.6409 58.5 -0.02229133 -0.01515155
2015-01-12 26.136299 57.459999 -0.01894084 -0.01777779
2015-01-13 25.4168 55.540001 -0.02752873 -0.03341452
2015-01-14 25.136499 54.18 -0.01102818 -0.02448687
2015-01-15 25.2766 53.889999 0.005573608 -0.00535255
2015-01-18 25.8934 54.16 0.024402016 0.005010225
2015-01-19 25.6784 53.689999 -0.00830327 -0.00867801
2015-01-20 26.2111 55.09 0.020745062 0.026075638
2015-01-21 26.958599 56.5 0.028518414 0.025594482
2015-01-22 27.453899 56.860001 0.018372616 0.006371699
2015-01-26 27.052099 56.799999 -0.01463544 -0.00105526
2015-01-27 27.0427 56.98 -0.00034744 0.003169032
2015-01-28 27.052099 57.049999 0.000347561 0.001228484
2015-01-29 27.341801 57.560001 0.01070904 0.008939562

Sample
BHP Mean
BHP SD
RIO Mean
RIO SD
Correlation
Covariance matrix
Expected return
Variance of return
SD of return

Please write the answer with excel formulas

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