![pozzolielisa](https://d2w4qhtqw2dbsq.cloudfront.net/profile_live/4183762/small.jpg)
Contingency table and Chi squared test
Complete PPT lesson and worksheet problems with guided answers about contingency table and Chi squared test. Suitable for High level GCSE and A level curriculum. The introduction has three slides of the history of the topic (see other PPT in my shop as well, work protected).