A hypothesis can be that, There is a significant difference between high school students who play sport and those who don't in their body weight index.
A
hypothesis is a supposition made by the scientist. In order for a
hypothesis to be a scientific hypothesis, the scientific method requires
for it to be tested. If a hypothesis cannot be tested, it cannot be
scientific hypothesis. It is important to state the hypothesis clearly
at the beginning of a scientific paper. This enables the reader to
understand the problem.
