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It is thought that one tangible benefit of increasing the educational requirements for incoming police officers would be a decrease in the number of police

It is thought that one tangible benefit of increasing the educational requirements for incoming police officers would be a decrease in the number of police brutality complaints filed by citizens each year. To test this idea, we can use Z to test two independent samples of police officers -- one group with college degrees, the other without. A random sample of officers was selected from one state.

The data and hypotheses are as follows:

Ha: College-educated officers will have fewer abuse complaints filed against them Ho: Their levels of education do not affect the proportion of abuse complaints filed against police officers

% of College educated officers who had an abuse complaint filed against them in the previous 12 months 15 N = 485 % of Non-college educated officers who had an abuse complaint filed against them in the previous 12 months 18 N = 612

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