Bryce and Hunter were bored in Biology class, so they decided to make paper airplanes. They made 5 different airplanes, each had a different design. They decided to test how long the airplanes stayed in the air. After collecting data, they decided to test the airplanes for a second time. His results are reported below. Airplane Trial 1 Trial 2
1 3.2 s 3.0 s
2 2.0 s 2.0 s
3 4.6 s 4.8 s
4 6.5 s 6.3 s
5 5.1 s 5.2 s

a. What is the independent variable?

b. What is the dependent variable?

c. Based on his results, what would your conclusion be