In this post, we understand standardised normal variables (z-values, z-scores) and use these to compare samples. This syllabus dot point is a part of the QCE Maths Methods course under the topic Continuous Random Variables and the Normal Distribution and sub-part General Continuous Random Variables, specifically focusing on standardised normal variables (z-scores and z-values).
Standardised Normal Variables
Z-scores, standardisation, and the standard normal distribution
