A hypothesis is an idea about how something works that can be tested using experiments ... observations are developed into questions. For example, it may be thought that a heavy ball would ...

The first thing any scientist does before performing an experiment is to form a hypothesis about the experiment's outcome. This often takes the form of a null hypothesis, which is a statistical ...

To create a null hypothesis, start by asking a few questions about the set of data or experiments ... relationship,” “no effect,” etc. For example, let’s say you are looking at some ...

A hypothesis is an idea about how something works that can be tested using experiments ... observations are developed into questions. For example, it may be thought that a heavy ball would ...