Z-score calculator

Calculate z-scores to standardize your data and determine how many standard deviations a value is from the mean.

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How to calculate z-scores

Enter your numeric data directly into the data table or upload a CSV file
Use the "Reference data column" control to select which column of data to analyze
Enter a specific value in the "Value to find z-score for" field
The calculator will automatically compute the z-score for your entered value
View the visualization to see where your value falls in the distribution

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