Z-Scores is a part of the VCE Specialist Maths topic Probability and Statistics. A z-score is a numerical value which describes the standardised position of a score, based on a normal distribution. The z-score is measured in terms of standard deviations from the mean of all scores.
So…How Do I Find a Z-Score?
Watch the following video as an introduction to what a z-score is, and how to calculate it.
This next video looks at how to compare z-scores.
Want to learn more? Check out more of our VCE Mathematics resources here!