OM AT VAN QUESTION 13 You are given the following historical information on the shares of Telstra and BHP over the last 5 years Year Telstra Returns BHP Roburns 1 TEX 2 18% 23 -29% -14.5% 12% 20% 8% 10% a. Calculate the arithmetic mean of the returns. (4 marks) If the Standard deviation of Telstra share is 18 13% and that of BHP's shares is 16 73%, which shares would you buy if you had 5645 000 and were a risk verse inwestor? (4 m Formula: E(R)=RO/N mil EE T. X 2 A 89 0 o !!! ( For the toolbar, press ALT+F10(POor ALT=FN+F10 (Mac). BIUS Paragraph Arial 14px SASA Core Win Click Save and submit to save and submit. Click Save All Answers to save all answers, ASUS VivoBook RE