Averages, spread of data (standard deviation etc.), frequency tables... the lot. Learning how to present data given to you in an exam carries a lot of easily accessible marks - make sure you don't lose out.
This is probably the first distribution you'll have covered in Statistics. This covers everything you need to know about the Binomial Distribution across S1 and S2, including how to tackle a Binomial question. The S2 covered includes approximating the Binomial using other distributions.
These are usually pretty easy marks to access - just follow the formulae from your formula book. This covers the Product Moment Correlation Coefficient, Least Squares Regression Line and Spearman's Rank.