The body mass index (variable BMI) provides an indication of a person’s level of body fat as follows: healthy weight, 20–25; overweight, >25–30; obese, greater than 30. 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. Based on an analysis, can you conclude that based on mean weight, men are not obese? Can you conclude that based on mean weight, women are not obese? You will do the analysis based first on the data from the first interview, create a subset from the data file using daycode = 1, and a second time using data from the second interview, create a subset from the data file using daycode = 2. Note differences in the results between the first and second interviews.
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