To find the heaviest puppy's weight from the provided list, we can identify the maximum value in the weights recorded:
Puppy weights (pounds): 1, 1, 4, 1, 1, 4, 1, 3, 4, 1, 1, 1, 4, 1, 2, 4
The weights recorded are:
- 1 (five times)
- 2 (one time)
- 3 (one time)
- 4 (four times)
The heaviest puppy weighs 4 pounds.