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Norms are statistical representations of a population, for example PAT maths scores for year 6 males, or e-asTTle reading scores for year 9 Māori females.
A norm-referenced score interpretation compares an individual's results on the test with the statistical representation of the population. In practice, rather than testing a population, a representative sample or group is tested. This provides a group norm or set of norms. Norms differ from standards, in that norms describe what a given population can do, standards describe what that given population should be able to do.
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