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A portfolio produces the following returns in years 1-5: Year Return (%) 1 -8 2 7...

A portfolio produces the following returns in years 1-5:

Year Return (%)
1 -8
2 7
3 5
4 3
5 -2

What is the sample semideviation of returns?

Enter answer in percents, accurate to 2 decimal places.

Math   Statistics-And-Probability   
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