How do you compare an SAT score to an ACT score?
In short: Standardizing different datasets is essential for meaningful comparison. This video explains how z-scores allow us to evaluate disparate measurements, provided they follow a normal distribution.
The video explores the mechanics of z-scores, a tool used to standardize data so that incomparable metrics—such as a 1200 on the SAT versus a 25 on the ACT—can be placed on the same scale. It also examines the relationship between these scores and percentiles, noting that while percentiles are useful, they do not fully communicate the true extremity of a data point.
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Sources
- Summary by Intellect · source: Z-Scores and Percentiles: Crash Course Statistics #18
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