Social & Preventive Medicine 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? A 95% of all children weight between 12 and 18 kg B 95% of all children weight between 13.5 and 16.5 kg C 99% of all children weight between 12 and 18 kg D 99% of all children weight between 13.5 and 16.5 kg 💡 Explanation 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? ✓ Correct Answer: A. 95% of all children weight between 12 and 18 kg