Provide formula

This is theReal Price Data for IRM and WMT from 2007 to 2017 Average Return Variance Standard Deviation Covariance Correlation \begin{tabular}{|l|l|} \hline & \\ \hline & \\ \hline & \\ \hline \end{tabular} Variance of Portfolio with 70% weight in IBM and 3005 weight in WMT: Please use a formula in slide a31 Standard Deviation of Portfolio with 70% weight in IBM and 30% weight in WMT: please use a formula in slide 131 Calculate the Portfolio return and standard deviation with different combinantion of Portfolio weight 1 Draw Efficient Frontier using different combination of portfolio returns and standard deviations above Please Calculate Weight of Minimum Variance Portfolio Weight of IBM Weight of WMT Please Calculate Minimum Variance portfolio Return Please Calculate Minimum Variance portfolio Standard Des