Use the accompanying data to complete parts a through c below a Compute the correlation of monthly returns between Stantec and Canadian Tire b. Compute the annual standard deviation of Stantec and Canadian Tire c Compute the annual variance and standard deviation of a portfolio of 70% Stantec stock and 30% Canadian Tire stock. Click the icon to view the data table. a. The correlation of monthly returns between Stantec and Canadian Treis (Round to five decimal places) 1