EXTRA CREDIT: The New York City Housing and Vacancy Survey is done every three years in an attempt to accurately understand the current housing conditions in the New York City. The survey is well-designed and has an admirably high response rate. Two of the pieces of data recorded are: location of the residence (which one of the 5 boroughs of NYC) total household income (in $) What type of test could we use to test whether there is a significant difference in the average income of residents in the 5 boroughs