t distributions are defined by their degrees of freedom. Degrees of freedom are pretty complicated to explain. So, first we’ll start with some real life examples before applying them to these statistical concepts. Let’s say you have three homework assignments to do, writing, statistics, and psychology. And each will take you an hour. And you only have three hours to finish them. So here are your three, hour long, time slots. How many options do you have for which homework assignment, you can do for the first time slot? After you choose which homework assignment you’ll do. How many options do you have for the second time slot? And finally, how many options do you have for the third? After you choose what homework assignments you’ll do for your first two time slots?