A Comparison Is Made Between Summer Electric Bills of Those

question 13

Essay

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

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