Imagine you are listening to a speech about airplane accidents. The speaker is stressing the need for better flight school programs. Which of the following statistics would be most effective as evidence?

-40 percent of all accidents in the last 15 years were caused by pilot error.
-14 percent of all accidents in the last 15 years were caused by mechanical error.
-During the last 15 years, 51 percent of all accidents occurred during the final approach or landing.
-Flight school simulators do not adequately prepare pilots for the variety of difficult situations that may occur while in flight.