The Table Below Shows the Weights of Female Individuals in Catherine's

Essay

The table below shows the weights of female individuals in Catherine's family. Calculate the sample variance in the weights, and the standard deviation. $\begin{array} { | c | } \hline \text { Weights of female }\\\text { individuals in Catherine's }\\\text { family (in lbs) } \\\hline 163 \\\hline 160 \\\hline 155 \\\hline 161 \\\hline 158 \\\hline 155 \\\hline 149 \\\hline 151 \\\hline 158 \\\hline 171 \\\hline\end{array}$