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Maths Standard

Using z-scores to compare data

How do you compare data using z-scores?

It is difficult to compare two different sets of data on two different graphs. For instance, how do we compare a student’s mark in English with their math mark? Thankfully, z-scores can help us compare scores from different data, making the comparisons easier. The following videos will show you how to use z-scores to compare data in HSC Standard Math.