The city council of Pine Bluffs is considering increasing the number of police i

Question

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.

Determine the regression equation. (Round your answers to 4 decimal places. Negative values should be indicated by a minus sign.)

Estimate the number of crimes for a city with 28 police officers. (Round your answer to 4 decimal places.)

by one.

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.

Explanation / Answer

using minitab

Regression Analysis: crime versus police

The regression equation is
crime = 29.74 - 0.9601 police

S = 2.99279 R-Sq = 73.6% R-Sq(adj) = 69.2%

Analysis of Variance

Source DF SS MS F P
Regression 1 150.134 150.134 16.76 0.006
Error 6 53.741 8.957
Total 7 203.875

a)crime = 29.74 - 0.9601 police

b)crimes=29.74-0.9601*28

=2.8572 crimes

nearly 3 crimes

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