The set of all possible outcomes of a probability experiment
Displays the 5-number summary as a central box with whiskers that extend to the non-outlying data values
Numerical methods used to determine whether research data support a hypothesis or whether results were due to chance
The null hypothesis attempts to show that no variation exists between variables, or that a single variable is no different than zero. It is presumed to be true until statistical evidence nullifies it for an alternative hypothesis.