Question: Two separate crime-reduction programs have been implemented in the city of Shinbone. One involves a neighborhood watch program, with citizens actively involved in crime prevention.

Two separate crime-reduction programs have been implemented in the city of Shinbone.

One involves a neighborhood watch program, with citizens actively involved in crime prevention. The second involves officers patrolling the neighborhoods on foot rather than in patrol cars.

In terms of the percentage reduction in crimes reported to the police over a one-year period, were the programs successful? The results are for random samples of 18 neighborhoods drawn from the entire city.

Neighborhood Watch Foot Patrol No Program 10 21 30 20 15 10

10 80 14

20 10 80

70 50 50

10 10 20

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