Six years ago, you purchased 300 shares of common stock for $43.25 per share. Since that time, the annual returns were (10.5%), (4.8%), 3.9%, 6.7%, 9.9%, and 11.8%. Based on these annual returns, calculate the stocks standard deviation and the range of returns within which youd expect the annual return to be within 95% of the time.

Select one:

a.

(15.25%) to 21.08%

b.

(8.37%) to 15.93%

c.

(12.84%) to 17.81%

d.

(14.66%) to 20.33%

e.

(5.94%) to 12.87%