Average return=Total return/Total time period
=(18.08-5.28+20.51+8.69)/4=10.5%
Return | (Return-Average Return)^2 |
18.08 | (18.08-10.5)^2=57.4564 |
-5.28 | (-5.28-10.5)^2=249.0084 |
20.51 | (20.51-10.5)^2=100.2001 |
8.69 | (8.69-10.5)^2=3.2761 |
Total=409.941% |
Standard deviation=[Total (Return-Average Return)^2/(Time period-1)]^(1/2)
=[409.941/(4-1)]^(1/2)
=[409.941/3]^(1/2)
=11.69%(Approx).
Variance=Standard deviation^2
=0.01366(Approx).
A stock had returns of 18.08 percent. -5.28 percent, 20.51 percent, and 8.69 percent for the...
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