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# Calculating the Coefficient of Variation and Standard Deviation

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Please help with the following problems. Provide step by step calculations for each.

Year Stock A's Returns (rA) Stock B's Returns (rB)
2000 -18% 14.5
2001 33 21.8
2002 15 30.5
2003 -0.5 -7.6
2004 27 26.3

1. Calculate the standard deviation for each stock and for the portfolio

2. Calculate the coefficient of variation for each stock and for the portfolio.

If you were a risk averse investor- which stock is better?

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#### Solution Preview

Please see ** ATTACHED ** file(s) for complete solutions and details!!

1. Calculate the standard deviation for each stock and for the portfolio

First, variance = (X-M)^2 /(N-1)
Where M is the average return
^2 ...

#### Solution Summary

This posting helps with accounting problems. Concepts covered include standard deviation and coefficient of variation for stocks and for portfolios. Step by step calculation sare given.

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