This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
Preferred measure of central tendency for ordinal data is: 
Select and explain. 
A. Mean, B. Mode, C. Median, D. Range
C: Median
Answer: C: Median 
Explanation: Mean is the preferred measure of central tendency for interval data Median is preferred measure for ordinal data Mode is preferred measure for nominal and dichotomous data Ref: Medical biostatistics, 1st edition pg: 111