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
All of the following are measures of dispersion Except: September 2008 
Select and explain. 
A. Mean Detion, B. Mode, C. Range, D. Standard detion
B: Mode
Answer: B: Mode 
Explanation: Ans. B: Mode Measures of dispersion provide a quantitative measure of the variability of values. The means of dispersion in common use are: Range Quaile Detion Mean Detion Standard Detion.