The diagram shows the stem and leaf tables of the weights of two groups 20 years olds from towns A and B town A 7 5100 642 6 5 1 7 9 9 8 7 4 0 8 6 4 2 2 2 1 6 7 8 9 10 2234 1 7 8 0 4 4 4 6 0 2 3 5 2 3 3 4 59 6679 How many people were weighed in town B What was the modal group in town B What was the modal weight in town A What was the median weight in town B kg kg kg What was the range of weights in town B On average which group was heavier A or B or are they equal E town B Key 7 5 75kg kq 1 2 1 2 2 2 Mai EN