The table below shows annual returns for stocks of companies X and Y. Calculate the arithmetic average returns. In addition, calculate their variances, as well as their standard deviations Returns Year 2 4 19 % 40 13 27 48 7% 25 15 16 5 Requirement 1 (a)The arithmetic average return of company X's stock is 9.40% (b)The arithmetic average return of company Y's stock is: 13.40% Requirement 2: The variance of company X's stock returns is: (Do not round intermediate calculations.) (Click to select) # The variance of company Y's stock returns is: (Do not round intermediate calculations.) (Click to select)