Answer a)
Average Return = (-4.1% + 27.9% +10.9% + 3.9%) / 4 = 9.9% OR 0.099
Answer b)
Given Return (X) | Average Return (X1) | (X-X1)2 |
-0.041 | 0.099 | 0.0196 |
0.279 | 0.099 | 0.0324 |
0.109 | 0.099 | 0.0001 |
0.039 | 0.099 | 0.0036 |
Total | 0.0557 |
Variance = (X-X1)2/ 4
= 0.0557 / 4 = 0.013925 OR 1.39%
Answer c)
SD = (Variance)1/2
= (0.013925)1/2
= 0.1180 OR 11.80%
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