Warning: Term 3 is going to be the toughest one yet!
The problem with Methods is that each term just seems to get tougher and tougher. Now, I’m not trying to get you to panic, there’s no use to do that! But I am saying that it’s worth getting a bit of study done before the term starts next week.
Probability and Statistics (The main Term 3 topics) build upon all the skills you’ve learnt so far (Functions & Relations, Algebra and Calculus) and then take them to the next level by adding a whole lot of Probability concepts into the mix. Statistics isn’t too bad but it’s a bit of an unknown quantity since it has never been taught before in Methods.
So to get you prepared, I’ve included a little cheat-sheet below from The Ultimate Maths Methods Overview to help you out with Discrete Random Variables: In particular, measures of spread: