What is the median age of the following people: 25, 28, 30, 30, 32, 34, 34, 35, 36, 37, 40, 40, 40, 42, 43, 45, 47, 48, and 50

The median age is the middle value when the ages are listed in order.

When the ages are listed in order, the median age is 40.