Question

Use the following returns for X and Y. Returns Year X 21.4% -16.4 9.4 18.8 4.4 Y 25.2% - 3.4 27.2 – 13.8 31.2 a. Calculate the average returns for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) b. Calculate the variances for X and Y. (Do not round intermediate calculations and round your answers to 6 decimal places, e.g., 32.161616.) c. Calculate the standard deviations for X and Y. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) % Answer is complete but not entirely correct. a. % % Average return Variance Standard deviation 7.52 0.018107 X 13.46 % 22.28 0.017027 X 13.05 c. % %

Answer 1

year year return WIN ان| بي ال a Avg return Varaince Standard Deviation 7.52% 0.022633 15.04% 13.28% 0.041713 20.42% Average return return 0.214 -0.164 0.094 0.188 0.044 0.376 Average return 0.376/5 0.0752 7.52% Deviation return return-Average retu Deviation^2 0.214 0.1388000000001 0.01927 -0.164 -0.239200000000 0.05722 0.094 0.018800000000 0.00035 0.188 0.112800000000 0.01272 0.044 -0.031200000000 0.00097 0.09053 0.252 -0.034 0.272 -0.138 0.312 0.664 0.664/5 0.1328 13.28% Deviation return return-Average ret Deviation^2 0.252 0.1192000000001 0.01421 -0.034 -0.166800000000 0.02782 0.272 0.139200000000 0.01938 -0.138 -0.270800000000 0.07333 0.312 0.179200000000 0.03211 0.16685 year year variance 0.09053/4 0.022633 variance 0.16685/4 0.041713 Standard deviation 0.041713^(1/2) Standard deviation 0.022633^(1/2) 0.150443345 15.04% 0.204238096 20.42%