Learn the skills you need to create hypotheses, make predictions, and test probable outcomes with the free online Probability and Statistics courses from Alison. We have classes that can help you improve your knowledge of probability, chance, and the analysis of data useful in understanding risk and relative risk. We also offer training courses that are in line with the curriculum for Probability and Statistics for the Irish Junior Certificate Examination, where you will study arrangements and selections, grouped frequency tables, stem and leaf diagrams, histograms, probability, and more.