Gerald Keller is emeritus professor of business at Wilfrid Laurier University, where he taught statistics, management science and operations management from 1974 to 2011. Dr Nicoleta Gaciu is Senior Lecturer in Education at Oxford Brookes University and she has worked as a senior consultant within the finance world. She is currently teaching Research Methods, Statistics and AI in Education. Nicoleta is a member of the Institute of Physics (MInstP), Fellow of Higher Education Academy (FHEA) and Convenor for BERA Science Education SIG.