Imagine that a national body recomments the minimal staffing levels for a police
ID: 802416 • Letter: I
Question
Imagine that a national body recomments the minimal staffing levels for a police district as one officer for every 1000 people plus one officer for every 25 miles of road. The police department has asked you to calculate teh minimum recommended staffing levels for each district. Create a table showing the largest 15 to 20 districts with teh distance name, the population, the miles of raod, and teh number of officers. Place the table on a supporting map layout (screen capture is hte easiest method), along with a graduated color map of population and labels for the staff numbers.
That is the challenge problem from "Mastering ArcGIS (7th Edition) chapter 9. I have no idea how to even start to do this problem can you help me?
Explanation / Answer
The below is the table given for US population of US 2015 and the number of officers are calculated on the basis of 1 officer for each 1000 number of persons. The colour map used for the population analyis in which the persons per mile is given along with the colour index(http://kids.britannica.com/comptons/art-65679/Population-density-of-the-United-States)
City name population density(sq mile) no of officers
1. New York 8,550,405 302.6 8550
2. Los Angeles 3,971,883 468.7 3972
3. Chicago 2,720,546 227.6 2720
3. Houstan 2,296,224 599.6 2296
4. Philadelhphia 1,567,442 134.1 1567
5. Phoenix 1,563,025 516.7 1563
6.San Antonio 1,469,845 460.9 1470
7.San Diego 1,394,928 325.2 1395
8.Dallas 1,300,092 340.5 1300
9.San Jose 1,026,908 176.6 1027
10.Austin 9,31,830 322.48 932
11.Jacksonville 8,68,031 747 868
12.San Francisco 8,64,816 46.9 865
13.Indianapolis 8,53,173 361.4 853
14.Columbus 8,50,106 217.2 850
15.Fort Worth 8,33,319 339.8 833