Problem 7. Obesity An obesity researcher conducted a study to assess whether there was a difference in the proportion (prevalence) of individuals who are obese between males and females. The following data were reported by the researcher. Obese? Gender Yes No Total Male 20 130 150 Female 50 150 200 total 70 280 350 Construct a 95% CI for pppM, the difference in population proportion of obesity between females and males