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Calculate the expected return, variance, and standard deviation for a portfolio of four equally-weighted stocks with...

Calculate the expected return, variance, and standard deviation for a portfolio of four equally-weighted stocks with returns of 26.4%, -9.2%, 2.9%, and 22.0%.

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Answer #1
YEAR RETURN (X -Average Return of X)^2
1 26.4 252.015625
2 -9.2 389.075625
3 2.9 58.140625
4 22 131.675625
Total 42.1 830.907500
Average Return = Total Return / NO of years
42.1/4
10.525
Variance = sum of (X -Average Return of X)^2 / no of years
830.9075 / 4
207.726875
Standard Deviation = Square root of Variance
Square root of 207.726875
14.41
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