Score for Question 2: ___ of 5 points)
2. The Humane Society has puppies for adoption. The weights, in pounds, of the puppies currently at the Humane Society are 17, 14, 13, 15, 21, 41, 18, 22, 20, 25 and 14.
(a) Create a stem-and-leaf plot of the weights of the puppies. (2 pts)
(b) What is the weight difference between the heaviest puppy and the lightest puppy? (1 pt for answer, 1 pt for showing work)
(c) How many puppies weighed at least 20 pounds? (1 pt)