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What is a z-score in statistics?


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What is a z-score in statistics?
in Data Science & Statistics by ♦ Platinum (97.7k points) | 203 views

1 Answer

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When the distribution is normal, the z-score is a measure of the the number of standard deviations a value is from the mean.

Given a measured value, one has to standardise it by converting it into a z-score. This allows for comparison of different results from different studies.
by ♦ Platinum (97.7k points)

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