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  • Skip Navigation LinksStandard Score (Z-score) Calculator

Standard Score (Z-score) Calculator

Compute a z-score (or standard normal score), given an unstandardized raw value, the population mean, and the population standard deviation. Computing z-scores can be very useful for analytics studies that want to compare values or observations from different categories or populations.

Please provide the necessary values, and then click 'Calculate'.

Population mean:
Population standard deviation:
Value:
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