Alice records the change in the number of people on the bus at each stop: -4, +2, -5, +3, -11. What is the average change in people over the last 5 stops?

Over the last 5 stops, an average of 3 people get on the bus.

Over the last 5 stops, an average of 3 people get off the bus.

Over the last 5 stops, an average of 5 people get on the bus.

Over the last 5 stops, an average of 5 people get off the bus.