Researchers know that the average rate of violence within intimate relationships is 20 men or women per minute in the US (SD=2.47), according to the National Coalition against Domestic Violence (NCADV). The local chapter of the NCADV is concerned about area rates of domestic violence because the local average is 23.20 (N=265).They would like to determine if the local rate is the same as the national rate.

Z - Test Used

Can you calculate the data with an explanation