Excess body weight is, of course, related to diet, but, in turn, what we eat depends on who we are in terms of culture and our entire life experience. Does the immigrant population have a lower percentage of people that are overweight compared to the remainder of the population? Provide strong evidence to support your conclusion. You will do the analysis based first on the data from the first interview, creating subsets of the data file using daycode = 1, and a second time using data from the second interview, creating subsets of the data file using daycode = 2.