system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Most common detion used in social medicine is
assistant
The correct answer is  The standard detion : Most frequently used measure of detion Defined as "Root -Means -Square -Detion " Ref : Park&;s Textbook of Preventive and Social Medicine; 23rd edition - Pgno. 848