The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information. City Police Number of Crimes City Police Number of Crimes Oxford 12 15 Holgate 14 5 Starksville 14 12 Carey 8 18 Danville 21 4 Whistler 7 21 Athens 24 5 Woodville 17 5 Click here for the Excel Data File a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places.)
The city council of Pine Bluffs is considering increasing the number of police in an effort to reduce crime. Before making a final decision, the council asked the chief of police to survey other cities of similar size to determine the relationship between the number of police and the number of crimes reported. The chief gathered the following sample information.
| City | Police | Number of Crimes | City | Police | Number of Crimes |
|---|---|---|---|---|---|
| Oxford | 12 | 15 | Holgate | 14 | 5 |
| Starksville | 14 | 12 | Carey | 8 | 18 |
| Danville | 21 | 4 | Whistler | 7 | 21 |
| Athens | 24 | 5 | Woodville | 17 | 5 |
Click here for the Excel Data File
a. Determine the regression equation. (Negative amounts should be indicated by a minus sign. Round your answers to 4 decimal places.)
b. Estimate the number of crimes for a city with 22 police officers. (Round your answer to the nearest whole number.)
c. Interpret the regression equation.
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