Physicians from the community physician's clinic are trying to convince their administration that they need more exam rooms to accommodate their patients. they ask the him manager to construct a graph showing the number of patients seen in the last year by the clinic physicians. the categories they wish to have displayed are primary care: 6,798; medical specialties: 3,423; surgical specialties: 3,367; and hospital outpatients: 1,209. which type of graph would be appropriate?