Exercises

The mean weight of players on a football team is 80 Kg. The weights are:

92, 80, 60, 100, 72, 100, 72, 84, 64, 72, 68, 64, 100, 72, 96, 76, 96, 64, 84, ? , where one number is missing. Find it.

The misssing value is Kg.