Arithmetic average return=Total return/Total time period
=(-27.9+15.6+34.2+3.3+22.3)/5=9.5%
Return | (Return-Average Return)^2 |
-27.9 | (-27.9-9.5)^2=1398.76 |
15.6 | (15.6-9.5)^2=37.21 |
34.2 | (34.2-9.5)^2=610.09 |
3.3 | (3.3-9.5)^2=38.44 |
22.3 | (22.3-9.5)^2=163.84 |
Total=2248.34% |
Standard deviation=[Total (Return-Average Return)^2/(Time period-1)]^(1/2)
=[2248.34/(5-1)]^(1/2)
=[2248.34/4]^(1/2)
=23.71%(Approx).
Variance=Standard deviation^2
=0.056209(Approx).
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