The Grey-Bruce Public Health unit wants to find the body mass index of senior citizens in Grey and Bruce. Their goal is to effectively target public health measures to reduce overall healthcare costs. There are approximately 25,000 senior citzens living in the area in a variety of housing types (living in their own homes, assisted living, nursing homes etc.). Collecting a single BMI for a senior citizen has an estimated cost of $150.00. There is $100,000 in the budget for data collection. Recommend a strategy to find or estimate the BMI of senior citizens in Grey and Bruce Counties.