RHD =-0.03+2.10RM+eHD R-squared =0.7 RML =0.06+1.60RM+eML R-squared =0.6 σM =0.15 where M is S&P/TSX Comp Index and RX is the excess return of stock X.   What is the standard deviation of each stock? (Hint: βi = (ρiM σi) / σM.)  What is the systematic risk of each stock?

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