A firm you are analyzing has had the following returns the past 5 years: 27.0%, 13.0%, 18.0%, -14.0% and 10.0 %. What are the standard deviation and variance of the past five year returns?
A) 0.1529, 0.0187
B) 0.1531, 0.0234
C) 0.1529, 0.0234
D) 0.1367, 0.0187