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 group of 100 children, the mean weight of children is 15 kg. The standard detion is 1.5 kg. Which one of the following is true?
assistant
The correct answer is  In the given question, n = 100 children, Mean weight (u) = 15 kg, SD = 1.5 kg, 95% of value are contained in Mean + 2SD (u+ 2s), Thus 95% of all children will have weight between 15 + 2 (1.5) i.e. between 12 and 18 kg.