The Local Fast Food Store Experienced the Following Number of Customers

Essay

The local fast food store experienced the following number of customers on the night shift
$$\begin{array} { l l } \text { Hour---------}&\text{Cstomers } \\12 \mathrm { AM } & 23 \\1 \mathrm { AM } & 20 \\2 \mathrm { AM } & 15 \\3 \mathrm { AM } & 5 \\4 \mathrm { AM } & 2 \\5 \mathrm { AM } & 1\end{array}$$
If the store was staffed by two workers, what was the average productivity per worker, in customers/hour?