1. A company had annual returns of 16 percent, 9 percent, -4 percent, and 13 percent over the past 4 years. What is the standard deviation of the returns for this period?
A.7.63 percent
B.8.81 percent
C.13.46 percent
D.15.26 percent
2. Susie invested $1,200 in stock A, $3,000 in stock B, and $1,600 in stock C. What is the portfolio weight of stock B?
A. .45
B. .48
C. .52
D. .55
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