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

X police

20, 21, 28, 30, 21, 17, 16, 25

Y Crime

18, 16, 9, 12, 10, 22, 24, 10

a. Determine the regression equation

b. Y= --- + X

c. Estimate the number of crimes for a city with 24 police officers

d, Interpret the regression equation