My question is that Why can't we use more than 2 samples for t test? I know we can do it through anova but my question is why not in t test?

Question

My question is that Why can't we use more than 2 samples for t test? I know we can do it through anova but my question is why not in t test?

Answer 1

You can't (or shouldn't) do it for a t test because every time you run a t test you have a chance of making an error, so do it repeated times compounds that chance.