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1. The city council of Pine Bluffs is considering increasing the number of police officers in...

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1. The city council of Pine Bluffs is considering increasing thenumber of police officers in an effort to reduce crime. Beforemaking a final decision, the council asks the chief of police tosurvey other cities of similar size to determine the relationshipbetween the number of police officers and the number of crimesreported. The chief gathered the following sample information City Police (x) Number of Crimes(y) Oxford 15 17 Starksville17 13 Danville 25 5 Athens 27 7 Carey 12 21 Whistler 11 19Woodville 22 6 ∑ ? = ??? ∑ ? = ?? ∑ ?? = ???? ∑ ? ? = ???? ∑ ? ? =???? 1) Find the value of correlation coefficient r. (Keep 3decimal places for r) 2) Interpret the result based on the value ofr in part one. 3) Determine the regression equation. (Keep 4decimal places for a and b) 4) Estimate the number of crimes for acity with 14 police officers. (Keep 1 decimal place)

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