Solve the Problem $\begin{array} { l l l l l } 144 & 125 & 186 & 105 & 197 \\ 136 & 172 & 155 & 116 & 125 \end{array}$

Multiple Choice

Solve the problem.
-The signal-to-noise ratio of a set of data is obtained by dividing the mean by the standard deviation. Find the signal-to-noise ratio for the following sample of weights (in pounds) : $\begin{array} { l l l l l } 144 & 125 & 186 & 105 & 197 \\ 136 & 172 & 155 & 116 & 125 \end{array}$

A) $0.2$
B) $4.9$
C) $4.5$
D) $4.7$