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A metropolitan law enforcement agency classifies crimes committed within its jurisdiction as either "violent" or "nonviolent.
A metropolitan law enforcement agency classifies crimes committed within its jurisdiction as either "violent" or "nonviolent." An investigation has been ordered to find out whether the type of crime (violent or nonviolent) depends on the age of the person who committed it. A sample of 100 crimes was selected at random from the police files. The results are cross-classified in the following contingency table. Follow the instructor step process to determine if there is a relationship between the age of the criminal and nature of the crime? Use the 0.05 level of significance.
Classification of Crimes by Type and by Age of Person
Age
Type of CrimeUnder 2525 to 4950 and OverTOTAL
Violent 15301055
NonViolent5301045
TOTAL206020100
