Testing

There are lots of tests. Here we focus on testing coefficient restrictions in linear models.

Where is the statistics section?

Warning
Testing is only valid given the conclusions, which in turn are only valid if the assumptions are satisfied by the data at hand.

When is a t test equivalent to an F test?

When can you do an F test, but not a t test?

Why do they call it Student's t distribution? (Hint: it has something to do with beer.)

Pitfalls

R²: the real story