This Concept demonstrates the process of hypothesis testing, using both test statistics and p-values. It also explains type I and II errors.
Explains what the P-Value means and its importance in a hypothesis test.
covers all steps of hypothesis testing, specific to significance test of a mean and significance test of a proportion
An article illustrating the relationship between the alpha level, the beta level, and power.
An applet warning against some of the possible errors made when testing hypotheses.