The Following Table Shows Total Assets ($ Billion) for a Small

Multiple Choice

The following table shows total assets ($ billion) for a small sample of U.S.banks. $$\begin{array} { | l | l | } \hline{ \text { BANK } } & \text { ASSETS (\$ billion) } \\\hline \text { Bank of New York } & 88 \\\hline \text { Regions Financial } & 80 \\\hline \text { Fifth Third Bank } & 58 \\\hline \text { State Street Bank and Trust } & 92 \\\hline \text { Branch Banking and Trust Company } & 81 \\\hline \text { Chase Bank } & 70 \\\hline \text { Key Bank } & 89 \\\hline \text { PNC Bank } & 84 \\\hline\end{array}$$ The standard deviation for these data is

A) $12.78 billion.
B) $ 11.27 billion.
C) $ 127.01 billion.
D) $ 21.67 billion.
E) $ 34 billion.