A powerpoint giving an introduction to hypothesis testing using the normal distribution. It also covers type I and type II errors, and has some examples of hypothesis testing using the Poisson and Binomial distributions, plus various exam questions at the end.

A powerpoint talkng through how to draw an activity network, then find the early and late times and the critical path.

A powerpoint that runs through an example of how to use the simplex algorithm to solve a maximisation problem, followed by an exam question taken from an AQA D2 paper.

A powerpoint presentation explaining the use of contingency tables to carry out a chi-squared test. Used for maths AQA S2 students.