What is the chi-squared test? The chi-squared test, often written as χ 2 test, is a statistical hypothesis test used in the analysis of categorical variables to determine whether observed data are ...
This presentation introduces the idea of contingency tables, the Chi-squared hypothesis test. Also included are a collection of relevant past paper questions (and answers) drawn from MEI papers. It is ...
A bundle is a package of resources grouped together to teach a particular topic, or a series of lessons, in one place. Lesson powerpoints and worksheets on 1) Measures of average and spread 2) PMCC ...