Question: Question B 4. A larger and more modern main post office is to be constructed at a new location in Davis, California. Growing suburbs caused

 Question B 4. A larger and more modern main post office

is to be constructed at a new location in Davis, California. Growing

suburbs caused a shift in the population density from where it was

Question B

4. A larger and more modern main post office is to be constructed at a new location in Davis, California. Growing suburbs caused a shift in the population density from where it was 40 years ago, when the current facility was built. Annette Werk, the postmaster, asked her assistants to draw a grid map of the seven points where mail is picked up and delivered in bulk. The coordinates and trips per day to and from the seven mail source points and the current main post office, M, are shown in the following table. M will continue to act as a mail source point after relocation. \begin{tabular}{c|c|c} \hline Mail Source Point & RoundTripsPerDay & x-, y-Coordinates (miles) \\ \hline 1 & 6 & (2,8) \\ \hline 2 & 3 & (6,1) \\ \hline 3 & 3 & (8,5) \\ \hline 4 & 3 & (13,3) \\ \hline 5 & 2 & (15,10) \\ \hline 6 & 7 & (6,14) \\ \hline 7 & 5 & (18,1) \\ \hline M & 3 & (10,3) \\ \hline \end{tabular} a. Calculate the center of gravity as a possible location for the new facility (round to the nearest whole number). b. Compare the load-distance scores for the location in part (a) and the current location, using rectilinear distance

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