Returns for the Dayton Company Over the Last 3 Years $\begin{array}{rr}\text { Year }& \text { Return }\\2013 & 21.00 \% \\2012 &-12.50 \% \\2011 & 35.00 \%\end{array}$

Multiple Choice

Returns for the Dayton Company over the last 3 years are shown below.What's the standard deviation of the firm's returns? (Hint: This is a sample,not a complete population,so the sample standard deviation formula should be used. ) Do not round your intermediate calculations. $\begin{array}{rr}\text { Year }& \text { Return }\\2013 & 21.00 \% \\2012 &-12.50 \% \\2011 & 35.00 \%\end{array}$
?

A) 30.02%
B) 18.79%
C) 23.43%
D) 27.09%
E) 24.41%