Chapter 10 QUESTION 10.07: Calculating Retums and Variability Using the following retums, calculate the arithmetic average retums, the variances and the standard deviations for X and Y. Input area Returns Year X Y OWN Output area: Actual Return Average Return Deviation Squared Deviation A UN Total Average return ago return Variance Standard Deviation=1 Squared Actus Return Average Return Deviation Deviation Total Average return Variance =D Standard Deviation =D