Over the past 4 years, the annual rates of return on stock of Brown & Warren Inc. have been -2%, 4%, 14% and 6%, respectively, over the past four years. Compute the standard deviation of these returns
What will be an ideal response?
Answer:
rt (rt-avg)2
-2.00% 0.56%
4.00% 0.02%
14.00% 0.72%
6.00% 0.00%
sum 22.00% 1.31%
avg. 5.50%
variance 0.44%
st. dev. 6.61%
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