Hypothesis Testing


The -value is the probability of observing your evidence given that the null hypothesis is true.


  • strong support of
  • very strong support of
  • insufficient evidence against

Level of significance (): , , , etc. (this is domain specific)

In STAT206, the following are our conventions (very common). These values should be decided before the study is conducted:

  • :
    • reject
    • fail to reject $H_1
    • fail to reject
    • reject

How do you calculate the p-value?