Open file: police_salary.sav

Answer the following questions using data about police officers in the tri-state cities of New Jersey, New York, and Connecticut:

1. Test the claim that there is no effective difference in the mean number of cops per 1,000 in the tri-state area (NY, NJ, and CT) using an appropriate statistical test. (This will requires new variable to be created. Paste the syntax/code of the new computation below.) For this and the test below, test at the .05 significance level. Also, include ANOVA and other appropriate tables, as well as a detailed academic explanation.

___________

1. Test the claim that the mean maximum police officer salaries for CT, NY, and NJ cities are the same.

My question is on how to create a new variable required for this question