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
In a normal surve, what percent of the values will be included in the area between two standard detions on either side of the mean (x+- ....) ?
assistant
The correct answer is  <p> 95.4%. Reference:Park&;s textbook of preventive and social medicine,K.Park,23rd edition,page no:849. <\p>