1.  Ranking everyone for the amount spent on medical care,30 % of the total ( all expenditures of all people) is accounted for by the top1% of patients. Take the overall per capita health expenditure and determine how much on average is spent on each of these high-cost patients. The top half of the population accounts for 90 % of total spending. What is the average amount spent on the remaining people in the bottom half of the distribution? Is the median ( amt spent on the person who is at the middle of distribution, with half of all people spending more, and half of all people spending less) higher or lower than the mean?
2. (distribution of health expenditures)