This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Epidemiology, Subject name: Social & Preventive Medicine
[{'content': 'Which of the following scale is used for quantitative data- \nSelect and explain. \nA. Nominal, B. Ordinal, C. Interval, D. Dichotomus', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Level of measurement or scale of measure is a classification that describes the nature of information within the values assigned to variables.Psychologist Stanley Smith Stevens developed the best-known classification with four levels, or scales, of measurement: nominal, ordinal, interval, and ratio. The interval type allows for the degree of difference between items.', 'role': 'assistant'}]