Stocks X and Y produced the following returns in recent years
Year Stock X Stock Y
1 6% 2%
2 8% 0%
3 4% 10%
4 9% 12%
5 11% 14%
AVG 7.6% 7.6%
Which of the following are the standard deviations of the returns of the two stocks (Show all work) ?
A. X=2.7, Y=6.2
B X=2.7, Y=4.8
C X=3.8, Y=6.5
D. X=3.8, Y=5.9