\(\begin{array}{c|c} class& 1 - 3 & 4 - 6 & 7 - 9\\ \hline Frequency & 5 & 8 & 5\end{array}\)
Find the standard deviation of the data using the table above

• A.5
• B.\(\sqrt{6}\0
• C.\(\frac{5}{3}\)
• D.\(\sqrt{5}\)
• E.