Samantha is a basketball player who wonders whether different pairs of shoes will help her jump higher. She ran the same set of jumping drills in four different pairs of shoes and had a friend measure how high she could jump in each. Did Samantha use scientific inquiry?

No, because she did not have an investigation about the natural world.
Yes, because she asked a question about the natural world and investigated it.
No, because she is not a scientist.
Yes, because she asked a question.