Answer a.
Average Return = [0.17 + (-0.04) + 0.20 + 0.12 + 0.10] / 5
Average Return = 0.55 / 5
Average Return = 0.11 or 11.00%
Answer b.
Variance = [(0.17 - 0.11)^2 + (-0.04 - 0.11)^2 + (0.20 - 0.11)^2
+ (0.12 - 0.11)^2 + (0.10 - 0.11)^2] / 4
Variance = 0.0344 / 4
Variance = 0.0086
Standard Deviation = (0.0086)^(1/2)
Standard Deviation = 0.0927 or 9.27%
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