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Average return, standard deviation, and coefficient of variation

Two securities, X and Y. Determine bases on the info given the AVERAGE RETURN, STANDARD DEVIATION, and COEFFICIENT of VARIATION.

YEAR RETURN X RETURN Y
1995 16.5% 17.5%
1996 14.2% 13.2%
1999 13.5% 14.5%

please show calculations and formulas used.

What is the BETA of the portfolio below?

Asset Beta Proportions
1 1.35 .1
2 1.12 .2
3 1.67 .3
4. 1.04 .2
5. 1.55 .2

Solution Summary

Average return, standard deviation, and coefficient of variation are exemplified.

$2.19