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 mor? decimal place than 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) 5.1
B) 5.4
C) 1.6
D) 5.8