Find the Midrange for the Given Sample Data $$\begin{array} { l l l l l l l l l l l l } 1 & - 1 & 4 & - 18 & 8 & - 9 & 8 & 0 & 24 & - 10 & 7 & 7\end{array}$$

Multiple Choice

Find the midrange for the given sample data.
-Listed below are the amounts of weight change (in pounds) for 12 women during their first year of work after graduating from college. Positive values correspond to women who gained weight and negative values
Correspond to women who lost weight. What is the midrange? $$\begin{array} { l l l l l l l l l l l l } 1 & - 1 & 4 & - 18 & 8 & - 9 & 8 & 0 & 24 & - 10 & 7 & 7\end{array}$$

A) 2.5 lb
B) 3 lb
C) 11.5 lb
D) 21 lb