The document describes two tests of Automobile 1 and Automobile 2. Automobile 1 was crashed into a barrier at 35 mph, resulting in a 10% chance of life-threatening injuries. Automobile 2 was driven down a country lane at 35 mph and had a 0% chance of life-threatening injuries. It then asks what a hypothesis is, how to test it, and why test it. It provides examples of hypotheses about WRIT students achieving academic success and explains that a hypothesis must be falsifiable.