Permutations and Combinations

Notes on permutations and combinations are here.

Exercises are here and here.

Mean and Standard Deviation

Here is the pdf of the slides from the session on Mean and Standard Deviation.

Exercises are here.

Homework 19

Here is Homework 19 due in after the half-term holiday.

S1 - Presenting Data

Here are the notes from the session on presenting data - a revision session on GCSE topics of histograms, stem-and-leaf diagrams, cumulative frequency diagrams and boxplots.

I'll add the exercises in a day or so.