Find the Standard Deviation for the Given Sample Data $$\begin{array} { l l l l l l l l l } 18 & 18 & 18 & 9 & 15 & 5 & 10 & 5 & 15\end{array}$$

Multiple Choice

Find the standard deviation for the given sample data. Round your answer to one more decimal place than is present in
the original data.
- $$\begin{array} { l l l l l l l l l } 18 & 18 & 18 & 9 & 15 & 5 & 10 & 5 & 15\end{array}$$

A) 1.6
B) 5.8
C) 5.4
D) 5.1