Z-Score & Normal Distribution Calculator
Calculate standard normal z-scores, p-values, percentiles, and cumulative probabilities under N(0,1).
Standardized Z-Score
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P(X ≤ 85) = 93.32%
Percentile Rank:93.3rd Percentile
How to Use
- Enter the raw score, population mean and standard deviation.
- Select Z-Score to view the standardized z-score.