Find the Mean, Median, Mode, and Midrange for Each of the Two

Essay

Find the mean, median, mode, and midrange for each of the two samples, then compare the two sets of results.
-A comparison is made between summer electric bills of those who have central air and those who have window units. $$\begin{array} { l | l l l l l } & \text { May }&\text {June}&\text { July}&\text { Aug }&\text {Sept } \\\hline \text { Central } & \$ 32 & \$ 64 & \$ 80 & \$ 90 & \$ 65 \\\text { Window } & \$ 15 & \$ 84 & \$ 99 & \$ 120 & \$ 40\end{array}$$