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