Question:
The National Gang Crime Research Center (NGCRC) has developed a six-level gang classification system for both adults and juveniles. The six categories are shown in the accompanying table. The classification system was developed as a potential predictor of a gang member's propensity for violence in prison, jail, or a correctional facility. To test the system, the NGCRC collected data on approximately 10,000 confined offenders and assigned each a score from the gang classification system. One of several other variables measured by the NGCRC was whether or not the offender had ever carried a homemade weapon (e.g., knife) while in custody. The data on gang score and homemade weapon are summarized in the table below and saved in the GANGS file. Conduct a test to determine whether carrying a homemade weapon in custody depends on gang classification score. (Use a = .01.) Support your conclusion with a graph.
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Homemade Weapon Carried Yes 255 110 151 271 175 476 Gang Classification Score 0 (Never joined a gang, no close friends in a gang) in a gang) in a gang) rank) of rank) 2,551 560 636 959 1 (Never joined a gang, 1-4 close friends 2 (Never joined a gang, 5 or more friends 3 (Inactive gang member) 513 4 (Active gang member, no position of 5 (Active gang member, holds position 831