Most municipalities provide the public with a variety of crime statistics, including types of crimes and class to the police. A random sample of gunshot incidents in Oakland, California, was obtained,...

Most municipalities provide the public with a variety of crime statistics, including types of crimes and class to the police. A random sample of gunshot incidents in Oakland, California, was obtained, and each was classified by time of day and day of week. The data are summarized in the two-way frequency table below