What is the purpose for post (post hoc) tests? a. To determine whether or not a Type I error was committed b. To determine how much difference exists between the treatments c. To determine which...

What is the purpose for post (post hoc) tests?

a.           To determine whether or not a Type I error was committed

b.           To determine how much difference exists between the treatments

c.           To determine which treatments are significantly different

d.           None of these